L I N K S  from the  M A I N - PAGE ...
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      L I N K S  from the  "ON-LINE-MUSEUM" ...

       WHAT's NEW?

       FAQs & Hints for RESTORATIONS = README !

       SOME INTERESTING RESTORATIONS

       INTRODUCTION  RECHENMASCHINEN (English / German )

       TOUR ADDO ... WARD

       CALCULATOR-Mini-Picture-INDEX


      C  O  N  T  E  N  T  S   of the "On-Line Museum"
   =====================================================
   *  THE   C A L C U L A T O R   COLLECTION
      o  Calculators
         (in alphabetic order)
      o  Small Adders
      o  Counting Saving Banks
      o  Counters
      o  Addiators
      o  Trickies
      o  Diagrams
      o  History
      o  WorkShop
   *  Abacuses
   *  Napier Sticks
   *  THE   S L I D E   R U L E   COLLECTION
   *  Math.Tables
   *  Curve Meters
   *  Planimeters
   *  My Engineering Tools
   *  Pantographs
   *  Proportional Divider
   *  Rulers
   *  Calipers
   *  Micrometers
   *  Pedometers
   *  THE   S C A L E S   COLLECTION
   *  THE   T Y P E W R I T E R   COLLECTION
   *  Telegraphy
   *  THE   T E L E P H O N E  COLLECTION
   *  THE   A N A L O G   M U L T I M E T E R  COLLECTION
   *  THE   C L O C K   &   W A T C H   COLLECTION
   *  SlotMachines
   *  » T h e   O t h e r   W o r l d «
   *  Links


A   S T R U C T U R E D     O V E R V I E W               10/02/22
******************************************************************
Cliff & Me

THE  C A L C U L A T O R  COLLECTION
( 1900 - 1970 / A Representative Historic Cross-Section )

ADDO
   MULTO-13
      Inside Views / Snapshots of the Restoration Procedure

ALLEN
   ALLEN-66

AMERICAN
   AMERICAN ADDING MACHINE
      Inside Views / Snapshots of the Restoration Procedure

ASTRA
   ASTRA (E)
      Inside Views / Snapshots of the Restoration Procedure

BELL-PUNCH
   PLUS 906

BRUNSVIGA
   BRUNSVIGA B
      Inside View
   BRUNSVIGA 10
   BRUNSVIGA 11E
      Inside View & "Retro Design"
   BRUNSVIGA 13RK
   BRUNSVIGA 13RM
      Linked Manual

BURROUGHS
   Class 1 Model
      Inside Views / Snapshots of the Restoration Procedure
   Class 3 Model
      How to remove the cover  &  How to make a »B-Key«
   Class 5 Model
   Class 8 Model
   Class 9 Model
      Inside Views / Snapshots of the Restoration Procedure

COMPTOMETER
   COMPTOMETER Model H
   COMPTOMETER Model J
   COMPTOMETER Model 99C (Electric!)

CONTEX
   CONTEX-A
   CONTEX-B
      Inside Views
   CONTEX-10 ( Snapshot of the Restoration Procedure )
   CONTEX-10 ( Newer Version )
   CONTEX-30
   CONTEX-55

CURTA
   CURTA-1
   CURTA-2

ELITE
   ELITE 100-7/8

FACIT
   FACIT EK
   FACIT NTK
   FACIT C1-13 (older Version)
   FACIT C1-13 (newer Version)
      Inside Views / FACIT's SPECIAL(Pin-Wheel)SOLUTION
   FACIT CM2-16
   FACIT CA1-13
      Inside Views / Snapshots of the Restoration Procedure

FELIKS
   FELIKS ( Vintage )
   FELIKS M ("ZINC-PEST")

HAMANN
   README - New Definitions / Identifications
      HAMANN-MANUS "Model-D" Experiment
   HAMANN-MANUS-C
   HAMANN-MANUS-D
      Inside Views / Snapshots of the Restoration Procedure
   HAMANN-MANUS-R
      Inside Views / Snapshots of the Restoration Procedure
   HAMANN-AUTOMAT-S
      Inside Views
      Hand-Made "Crank"
   HAMANN-AUTOMAT-S (2nd Version)
            Snapshots of the Restoration Procedure
   HAMANN-AUTOMATIC-500
      Inside Views / Snapshots of the Restoration Procedure

KOMET
   KOMET TA 8/9
      Inside Views / Snapshots of the Restoration Procedure

LIPSIA
   LIPSIA 11R
      Inside Views / Snapshots of the Restoration Procedure

MADAS
   MADAS 20A

MARCHANT
   MARCHANT (B) STANDARD
      Inside Views / Snapshots of the Restoration Procedure
   MARCHANT H9
      Inside Views + ADAPTING SEGMENT PRINCIPLE

MELITTA
   MELITTA VII/16

MERCEDES
   MERCEDES-EUKLID 22
      Inside Views / Snapshots of the Restoration Procedure
   MERCEDES-EUKLID 29
   MERCEDES-EUKLID 38 MS
      Inside Views / Snapshots of the Restoration Procedure
   CELLATRON R 31
      Inside View / Design Procedure for an ACRYLIC COVER ...

THE MILLIONAIRE
   THE MILLIONAIRE
      Restoration Project:  " MAKE ONE-OUT-OF-TWO !"

MONROE
   Model LX-160
   Model LX-160 (Newer Version)
   Model 1
   Model 1 (Older Version)
      Inside Views / Snapshots of the Restoration Procedure
   Model 1 (Newer Version)
   Model CSAE-10
   Model CAA-10
      Inside Views / Snapshots of the Restoration Procedure
      Inside Views of the "Basic Status"
   MONROmatic 8N-213
      Slide Show: "Insight of the Inside"
      Manual
   Model 811-H4 (Made by OLYMPIA)
      How ... Tear-Off Blade is replaced
      Text in the MONROE (1965) CATALOG
      How the ribbon is spooled

NCR
   NATIONAL CASH REGISTER Model 313
      Inside Views / Snapshots of the Restoration Procedure

NISA
   NISA-K2
   NISA-K5 (Plastic) + NISA-K5 (Metal)
   NISA PK5

NUMERIA
   NUMERIA Model 8213
      Inside Views / Snapshots of the Restoration Procedure

ODHNER
   ORIGINAL-ODHNER Model 7
      Inside Views / Snapshots of the Restoration Procedure
   ORIGINAL-ODHNER Model 27
   ORIGINAL-ODHNER Model 239

OLIVETTI
   SUMMA PRIMA 20
   DIVISUMMA-26-GT
      Inside Views / Snapshots of the Restoration Procedure

OLYMPIA
   OLYMPIA 1182
   OLYMPIA RAS-12

PRECISA
   PRECISA 128-1-E
   PRECISA 208-10
   PRECISA 164-12

PRODUX
   PRODUX MULTATOR
      Inside Views / Snapshots of the Restoration Procedure
   PRODUX MULTATOR-4
      Inside Views / Snapshots of the Restoration Procedure

REMA
   REMA
      Inside Views / Snapshots of the Restoration Procedure

REMINGTON-RAND
   REMINGTON (Basic Version)
   REMINGTON (Visible Counter Version)
   PRINTING CALCULATOR 99

RESULTA
   RESULTA-BS7
   RESULTA-7
   RESULTA-7 »Export«
   RESULTA-9 »Export«
   RESULTA-P7 with Printer
      Inside View
   RESULTA-P9 with Printer

SCHUBERT
   SCHUBERT
      Inside Views / Snapshots of the Restoration Procedure
         New Problem = BROKEN COGWHEEL ==(!)=>>> 3D-Print !!!

SUMMIRA
   SUMMIRA-7
   SUMMIRA-7 with Printer

THALES
   THALES MEZ
      Inside Views / Snapshots of the Restoration Procedure
   THALES CE
      Prospect from 1938
   THALES CER
   THALES GEO

T.I.M.
   T.I.M. (= "Travel-T.I.M.")
      Inside Views / Snapshots of the Restoration Procedure
   T.I.M. - Model III
      Inside Views / Maintenance Procedure

TORPEDO
   TORPEDO

TRIUMPHATOR
   TRIUMPHATOR CN1
      Inside View / Snapshots of the Restoration Procedure 
   TRIUMPHATOR CRN1
      Inside View / Snapshots of the Restoration Procedure 
   TRIUMPHATOR CRN2

UNDERWOOD
   UNDERWOOD-OLIVETTI
   UNDERWOOD Model 782A »ADD-MATE«
   UNDERWOOD Model 300R

VICTOR (All with Printers)
   Manual Operated Full-Keyboard Models:
      OldModel
      ArtDeco (6 Digit Model)
      ArtDeco (8 Digit Model)
      Champion (8 Digit Econo-Model, PLUS-Only )

   Manual Operated 10-Block-Keyboard Models:
      ArtDeco (OlderVersion)
      ArtDeco (NewerVersion)
      Tallymaster (7 Digit Econo-Model, PLUS-Only )
         Inside Views / Snapshots of the Restoration Procedure
   Motorized Full-Keyboard Models:
      ArtDeco
      Custom
      US/GB-NonMetric
   Motorized 10-Block-Keyboard Models:
      ArtDeco
      Custom
      Econo-Model
      Automatic-73
      Automatic-74
   McCASKEY / VICTOR CashRegister
      Inside Views / Snapshots of the Restoration Procedure
   Contemporary VICTOR Advertisements (1930/40)

WALTHER
   RK
   WSR-160
   COMPTESS
   DIWA-32
      Inside Views / Snapshots of the Restoration Procedure

WARD
   MONTGOMERY-WARD 7/8


SMALL ADDING MACHINES
   ADDI-7
   NON-METRIC ADDOMETER
   METRIC ADDOMETER
   AS7
   REGINA-7
   CHADWICK
   COMPTATOR
   LITTLE GIANT
   ADDING MACHINE ( Toy Version of the "LITTLE GIANT" )
   GOLDEN GEM
   KEN+ADD
   LIGHTNING
   PASCAL-TYPE
   PRECISE
      Inside Views / Snapshots of the Restoration Procedure
   STAR
   SWIFT
   THALES »KA« ( Older Version )
      Inside Views / Snapshots of the Restoration Procedure
   THALES »KA« ( Newer Version )
   TRIUMPHATOR »KA«
      Inside Views / Snapshots of the Restoration Procedure
   TOY ADDING MACHINE


COUNTING SAVING BANKS
   UNCLE SAM'S 3-COIN REGISTER BANK
   I N S I D E   A (2nd) UNCLE SAM'S 3-COIN REGISTER BANK
   3-COIN OSWEGO BANK


COUNTERS
   Manual Event Counter
   Assembly-Line Counter
   Telephone Toll Counter
   Electro-Mechanical, Resetable Counter
      Pulsar-Relais for 1 Hz / 10 Hz Counter
      Application:  Pulsar + Counter = DIGITAL TIMER
   Shopping COUNTER / Calculator »INSTAMATIC«
   BATES Numbering Machine


ADDIATORS
   How to Use an ADDIATOR

   RELIABLE ADDER
   VE-PO-AD
   TASCO
   ADDIATOR PERPLEX
   ADDIATOR DUPLEX / Older Version
   ADDIATOR DUPLEX / Newer Version
   ADDIATOR TRIPLEX
   ARITHMA & ADDIATOR-UNIVERSAL
   CORRENTATOR
   PRODUX-ORIGINAL
   EFZET
   PRODUX / RECORD
   RECORD
   UNIS
   ADDIFIX-6 & ADDIFIX-9
   BABY CALCULATOR ( Black Version )
   BABY CALCULATOR ( Silver Version )
   MAGIC BRAIN CALCULATORS
   OMEGA POCKET ADDING MACHINE
   KINGSON  Pound/Shilling/Pence Calculator
   ADDIATOR HEXADAT
     Advertisement & Instruction ( in German )
     How to convert DECIMAL-to-DUAL-to-HEXA / 2-COMPLEMENT
   SHERADCO Fraction of an Inch Adding Machine


TRICKIES
   of Mechanical Calculating
   
   Shortened Method of Multiplication
   Shortened Method of Calculating Discount & Net Sum
   Multiple Divisions with the same Divisor
   Division (Additive Method; Division by Multiplication)
   Chain Multiplications with Back-Transfer
   Chain Multiplications without Back-Transfer
   Multiplication involving Addition of Products
   Cubes without Back-Transfer
   Calculating Square Roots
      1st Method ( Toepler )
      2nd Method ( Herrmann )
   TEST-PATTERNS ( Link )
   "PHOENIX-Zahl"-Experiment ( Link )


DIAGRAMS
   of Calculator Mechanisms
   
   Stepped Drum / Staffel-Walze
      Stepped Drum Animation
   Pin Wheel / Sprossen-Rad
      FACIT-Version
   Comptometer Section
   Split Stepped Drum / Geteilte Staffel-Walze
   10s Carry Mechanisms
      Split-Stepped Drum / MONROE Type
      Pin Wheel / ODHNER Type
   Counter Stepping Mechanism
      Counter Stepping Animation
   Adapting Segment / Stell-Segment
      Adapting Segment Animation
   Proportional-Lever / Proportional-Hebel
   Switching-Latch Wheel / Schalt-Klinke
   Linear Segment Mechanism
      Caliper / Nonius
   Rocking Segment Mechanism
   10-Key Adding / Printing Calculators
   MILLIONAIRE / "1x1-Koerper"


HISTORY
   of Inventors & Calculator Companies
   
   Addiator
   Addo
   Astra
   Bell-Punch
   Brunsviga
   Burroughs
   Comptometer / Felt & Tarrant
   Contex
   Curta
   Facit
   Feliks
   Hamann
   Lipsia
   Marchant
   Melitta
   Mercedes
   Monroe
   National / NCR
   Nisa
   Odhner
   Olivetti
   Olympia
   Precisa
   Produx
   Remington-Rand
   Resulta
   Rheinmetall
   Schubert
   Summira
   Thales
   Torpedo
   Triumphator
   Victor
   Walther
   Ward


W O R K S H O P
(A) ACTUAL RESTORATION & REPAIR QUEUE ... (B) INTERESTING REPAIRS & RESTORATIONS FOR OTHERS Calculators ... ALLEN-WALES_77 BRUNSVIGA-11E BURROUGHS_CLASS-1 ADDING / BOOKKEEPING MACHINE Inside View / Snapshots of the Restoration Procedure BURROUGHS_CLASS-5A CONTEX-20 CONTEX-30 CURTA-2 FACIT_CM2-16 FELIKS-M Inside View / Snapshots of the Restoration Procedure HAMANN-300 HAMANN-MANUS-R Inside View / Snapshots of the Restoration Procedure MELITTA_IV/16 MELITTA_VI/16 MILLIONAIRE MONROE_KA MONROE-"Model-1" MONROE_CSA-10 ODHNER-239 (+ INSIDE VIEWS / DETAILS ) OLYMPIA-AE RESULTA-BS9 RHEINMETALL »MATHEMATON« Inside View / Snapshots of the Restoration Procedure TRIUMPHATOR-CN2 Inside View / Snapshots of the Restoration Procedure VICTOR_ART-DECO VICTOR NewerVersion WALTHER_MULTA-GT Inside View / Snapshots of the Restoration Procedure NonCalculators ... Vintage Pocket Volt-Meter μA MULTIZET MONARCH Multimeter MISELCO Multimeter »ELECTROTESTER« 1907 MAGNETO WALL PHONE Inside a TOUCH TONE LED-»TRIMLINE« FC-POCKET-SlideRule Mod.67/51 = GOSSEN RX-CALCULATOR FABER-CASTELL SlideRule "Disponent" 1/22A with ADDIATOR SlideRule TRISO-RIETZ / TOVARNA-MERIL / Slovenijales BENDIX Trophy Flight Computer JEPPESEN Flight Computer »CSG-9« 1900 SESSIONS Mantel Clock 1850 Baroque Mantel Clock MINERVA "Split-Hand" STOP-WATCH Vintage BAROMETER NATIONAL CASH REGISTER »MODEL-92« SINGER Sewing Machine IBM »SELECTRIC«, »SELECTRIC-I«, »SELECTRIC-II« History of the IBM »SELECTRIC« (C) UNSUCCESSFUL PROJECTS ALLEN »95« MARCHANT »8ADX« VICTOR »AUTOMATIC-75« (X) T E A C H I N G PROJECTS LINK to "Generator/Motor-Project" ... LINK to "KINDER-FON PROJECT" ... LINK to "HOW A TELEPHONE DIAL SYSTEM WORKS" ... LINK to "PULSAR + COUNTER = DIGITAL TIMER" ... MY ELECTRIC & ELECTRONIC BUILDING-BLOCKS ( English / German ) MULTIMETER RECYCLE PROJECT ( English / German ) TRAFFIC-LIGHTS PROJECT ( English / German ) 3-Way- / 4-Way-Switch ( How-To-Do vs. How-To-Know ) MOUNTAIN-BIKE: OPTIMALE KETTENSCHALTUNG ... ( German ) MAX.SONNENHOEHE: Berlin/Germany vs. Monterey/CA. ( German ) ABACUSES How to Use the Asian Abacus ... as a HEXA-DECIMAL Calculator China (2+5)*13 Beads A Paper-Weight Chinese Abacus A Decorative Chinese Duplex-Abacus Japan (1+4)*23 Beads Japan (1+4)*17 Beads, Aluminum-Frame, Resetable Japan (1+5)*27 Beads Japan (2+5)*13 Beads Russia 10*10 Beads Russia 7*10 + 1*4 + 2*10 Beads Germany 10*10 Beads MORE... NAPIER NAPIER's BONES / "Sticks" Self-Made THE S L I D E R U L E COLLECTION ( A Representative Historic Cross-Section ) DOWNLOAD the »COPY,CUT&FOLD« - PAPER SLIDE RULE The Principle of Slide Rules C O L L E C T I O N ... Acu-Math Aristo AWF Breitling Bruning Carroll Citizen Concise Denert+Pape Dietzgen Diwa Ecobra Faber-Castell Felsenthal Fowler Fullerton Gilson Graphoplex Hemmi Hoehler Hughes-Owens IWA Jeppesen Keuffel & Esser Klawun Koelsch Lawrence Loebker Logarex Lutz Mantissa Meissner Nestler Norma Otis-King Pickett & Eckel Post Reiss Sanderson Scientific Instruments Skala Staedler Sterling Tavernier-Gravet Troeger Unis USSR Uto Wichmann C O N T E N T S : Introduction Linear Common Slide Rules Non-Linear Common Slide Rules Special Slide Rules & Slide Calculators Teaching Slide Rules Use of Special Scales on Common Slide Rules Common Marks on Cursors Marks on Slide Rules and their Meaning History of Slide Rule Inventors Historical Remarks to Slide Rule Companies Some Slide Rule Books MATHEMATICAL TABLES E.Jahnke & F.Emde F.G.Gauss M.Abramowitz & I.A.Stegun CURVE METERS ALVIN Curve meter CHARVOZ Curve Meter NoName Map Meter PLANIMETERS Theory of Planimeters FOREST SERVICE Planimeter KEUFFEL & ESSER Planimeter LASICO Planimeter Model 121-A WICHMANN Planimeter Nr.1192 WICHMANN Planimeter Nr.90 My ENGINEERING TOOLS from the 60s ... PANTOGRAPHS How a PANTOGRAPH (= "StorchSchnabel", MARABU-1) works ... A "Professional" NESTLER-2490 PANTOGRAPH PROPORTIONAL DIVIDER How PROPORTIONAL DIVIDERS work ... Part One: HAFF Model 195aE + "The Golden Cut" ... Part Two: BOWEN Model 770 - An Engineering Approach ... RULERS Inch vs. Metric !!! CALIPERS HELIOS / Nonius ( AEG Unterweisung ) METRIC CALIPER / Circular Scale DECIMAL-DIVIDED INCH CALIPER / Circular Scale HEMA / Special Caliper MICROMETERS Mechanical Analog & Digital Micrometer CARL ZEISS Metric ANALOG MITUTOYO Metric DIGITAL LUFKIN Inch ANALOG Mechanical "HYBRID" Micrometer CRAFTSMAN Metric=DIGITAL / ANALOG=Inches PEDOMETERS K&R Pedometers/StepCounters ARISTO Pedometer/StepCounter THE S C A L E S COLLECTION Theory - How mechanical Scales work Toy Scale + Polygones Metric Person Scale USA Person Scale Metric Kitchen Scale + Metric Weight Box USA Kitchen Scale + Hydraulic Mini-Jack Mini Travel / Kitchen Scale Mini (Spring) Kitchen Scale + 3D-MOEBIUS-RING Precision Metric Triple-Beam-Balance Scale Common Letter Scale + KLEINBOTTLE Bilateral Letter Scale Travel Letter Scale Technical Scale to measure the Force of Springs METTLER »H15« Lab Scale + "How-It-Works" Inside Views / Snapshots of the Restoration Procedure THE P O R T A B L E T Y P E W R I T E R COLLECTION ( < 1900 - 1990 / A Representative Historic Cross-Section ) BLICKENSDERFER » NO.5 « ( "luggable" ) HAMMOND » NO.12 « ( "luggable" ) AEG » MIGNON « (Pointing Typewriter) >----- 1st ------+ Inside View | ADLER » FAVORIT « >---- 1st ----+ | Inside View | | STOEWER » ELITE « | | OLIVER » 9 « | | Inside View | | CORONA » 3 « FOLDABLE >-- 1st ----------+ | CORONA » 3 « FOLDABLE (Newer Version) | v UNDERWOOD » STANDARD « >---------- 1st --------+ OLYMPIA Inside View | | | | GUNDKA » MW « | | | | GUNDKA » III « | | | | Inside View | | | | REMINGTON | | | | TRIUMPH >-----------------------+ | | | OLYMPIA » ELITE « | | v ->--+ ROYAL » TOUCH-CONTROL « | | UNDERWOOD | » RHEINMETALL « | | | | S&N » ERIKA « | | | | CONTINENTAL » WANDERER 50 « | | | | HERMES » BABY « | v | | SMITH-CORONA » SILENT « | SMITH-CORONA | | ROYAL » Quiet DeLuxe « | | | | GROMA » GROMINA « & » KOLIBRI « | | | | OLIVETTI » LETTERA 22 « | | | | OLIVETTI » LETTERA 32 « | | | | K&K » PRINCESS 300 « v | | | OLYMPIA » DELUXE « TRIUMPH-ADLER | | ->--+ OLYMPIA » SPLENDID 33 « | | | ->--+ OLYMPIA » SPLENDID 66 « | | | ->--+ TRIUMPH » TIPPA « >-------------+ | | | ( GOSSEN » TIPPA « CHASSIS ) | | | | OLIVETTI » VALENTINE-S « | | | | SMITH-CORONA » SUPER-G « | ->--+ | | CONSUL » Mod.231.3 « | | | | OLYMPIA » DE LUXE 120 « | | | ->--+ OLYMPIA » TRAVELLER « | | | ->--+ SMITH-CORONA » GALAXIE DELUXE « | | | | SMITH-CORONA » CLASSIC-12 « <-- 60 --+ | | TRIUMPH » GABRIELE 35 « <-- 60 -+ | | UNDERWOOD » 16 « <---------------- 60 ---------+ | BROTHER » 440TR « | OLYMPIA » TRAVELLER C « <--------- 85 years later ----+ TELEGRAPHY Make a Telegraph Station out of a WESTON ELECTRIC TEST UNIT +/-25 mA METER in a Cigar Box WWII US Army/Navy FIELD TELEGRAPH SET » TG-5-B « Make a PARTNER STATION for the » TG-5-B « » TG-5-B « as a MORSE-TRAINER THE T E L E P H O N E COLLECTION ( 1920 - 1995 / A Representative Historic Cross-Section ) Remarks to the Invention of the Telephone »Candlestick« WesternElectric (1920) »MONOPHONE« AutomaticElectric (1920) Ringer/Warbler »MONOPHONE« Model 40 Dial Phone (1937) Black Dial Phone WesternElectric Model 302 (1949) Black Dial Phone Kellogg "RedBar" Model D1000 (1949) Pay Dial Phone AutomaticElectric (1948) Inside View Blue Dial Phone AT&T Model 500 (1955) 1960s Advertisement of BlueBELL Red Dial Phone AutomaticElectric Model 80 (1967) How to Restore the Dial-Center Red + Blue Touch Phones Bell/AT&T Models 2500 (1965/1982) »PRINCESS« Dial Phone WesternElectric (1964) External Transformer »PRINCESS« Touch Phone WesternElectric (1965) Red »TRIMLINE« Dial Phone WesternElectric (1965) +Black »TRIMLINE« Dial Phone WesternElectric (1968) Black »TRIMLINE« Touch Phone WesternElectric (1968) +Red »TRIMLINE« Touch Phone WesternElectric (1968) »FRENCH-STYLE« Dial Phone US Telephone Co. (1967) »CONTESSA« Dial Phone US Telephone Co. (1967) »BAROQUE« Dial Phone WesternElectric (1973) »PETITE« ITT-OWN-A-PHONE Dial Phone (1970) »CELEBRITY« WesternElectric Dial Phone (1975) AIRPLANE Dial Telephone Northern Telecom / Canada (1978) ERICOFON K7 "Cobra" (1960) blue & red Version Inside View & WIRE DIAGRAM of the »K7« Touch Tone Wall Phone WesternElectric Model 2554 (1976) Inside View & WIRE DIAGRAM of the »2554_BMP« Italian Marble Dial Telephone Restoration with German POST 611-2 Parts Copper Dial Telephone PTT / Holland (1961) Bakelit ArtDeco Dial Telephone PTT / Holland (1963) Copper »RTT-56-B« Dial Phone / Belgium (1956) TESLA Dial Phone / Czechoslovakia (1965) GDR Field Telephones »FF63M« (1963) + Inside View & WIRE DIAGRAM RFT INDUSTRIAL DIAL WALL-PHONE »IFT/W« (1961) WIRE DIAGRAM of the »IFT/W« »W61« RFT (East-)German Dial Phone (1961) »W61« RFT WIRE DIAGRAM ANOTHER »W61« WIRE DIAGRAM ( ? STASI Tapping ? ) GDR's »ALPHA« Dial Phone (1987) - A "STASI" Bug !!! also: GDR's »ALPHA« KEY-PAD Version (1987) 2nd TEST-Unit made RFT »ANTIQUE« (= Replica of the »W19« ) »ZBSA24« (= ZentralBatterie/SelbstAnschluss-Betrieb_1924 ) SIEMENS & HALSKE »SA28« / »W28« (1928) ++++++++++++++++++++++++++++++++++++++++++++++++++++++ + "KINDER-FON"-Project ... + + with (West-)German DialPhones »W48« , »611-2« + + & ELMEG Prueffernsprecher (+ Wire Diagrams ) + + "Telephone Plug Converter" & "WESTERN Adapter" + + » How A TELEPHONE DIAL SYSTEM WORKS « + + A Closer Look ... + + & »VOLTCRAFT« POWER SUPPLIES (+ Wire Diagram) + ++++++++++++++++++++++++++++++++++++++++++++++++++++++ KRONE / Germany (1969) TELEFONBAU + NORMALZEIT Dial Phone »E3« (1971) Wall Dial Phone (1980) Siemens / Deutsche Bundespost SEL / Deutsche Bundespost Dial Phone (1980) "Stuttgart" SIEMENS & HALSKE TROMMEL-WAEHLER-TELEFON (1954) + Inside View & WIRE DIAGRAM SIEMENS & HALSKE Tisch-Telefon »282« (1956) USA TEST Phone, black (1950) USA TEST Phone, blue (1975) German TEST Phone ( Newer Version, 1981) USA Electronic KEY-PAD TEST Phone, red (1990) WOODEN KEY-PAD Phone / PTT-TRUB (1986) PTT-TRUB EXPERIMENT KEY-PAD Phone / Deutsche Bundespost (1988) Touch Phone »H1-LX« / Deutsche Telekom (1989) Touch Phone »SIGNO-2« / Deutsche Telekom (1995) Kid's PIANO Telephone ( w. Pulse/DTMF, China 1991 ) A Dial-Telephone Lock Mini-AC-Generator ( WWII / Germany ) Scale to measure the force of Relais Contacts ***** DIALGIZMO ***** THE A N A L O G M U L T I M E T E R COLLECTION ( 1900 - 1975 / A Representative Historic Cross-Section ) Vintage Pocket-Volt-Meter Portable Battery Element Tester GOSSEN ( mA / mV ) MAVOMETER MultiMeter » EXACTA « 4-Shunts & 4-Serial-Resistors Block » ULTRON UM-201 E « WIRE DIAGRAM Field MultiMeter » METRAVO « Mini-MultiMeter HIOKI » TH-B36 « Lab S&H low-level DC Ampere-Meter Zero-Center S&H MicroAmpere Meter Lab S&H DC Ampere-Meter Precision S&H DC Milli-Volt-Meter Precision AEG DC Milli-Volt-Meter Portable Precision AEG DC Milli-Volt-Meter Lab V/A-Meters S&H » MULTIZET « Lab DC-MultiMeter S&H » μA-MULTIZET « (???) 2x Lab V-A-Ohm Meter SIEMENS » MULTIZET-P « Zero-Center S&H MicroAmpere Field-Meter Zero-Center S&H MicroAmpere Control-Board-Meter Zero-Center MilliAmpere Meter ( in a Tea Can ) Application: DEMO-GENERATOR/MOTOR Portable JEWELL DC Volt Meter Portable WESTON AC-METER SET AC/DC A/Veff-Meter S&H » MULTIZET « Field MultiMeter » SIMPSON-260 « Vacuum-Tube VoltMeter HEATHKIT » IM-11/D « SolidState MultiMeter » UM-Z2 « Field MultiMeter ITT-METRIX » MX-202 « Modification for 1.5 V Battery Replacement Field MultiMeter CHINAGLIA » CORTINA « HELIPOT Precision Potentiometers/Resistors Power-Potentiometer with Nomogramms R-"DECADES", POWER-"OCTADE" and R/C-"SUBSTITUTION BOXES" Ohm-Meter GOSSEN » TRIOHM « Ohm-/μF-Meter/Buzzer METRAWATT » METRAWID-2 « Ohm-Meter SIEMENS+HALSKE Ohm-Meter/Leitungspruefer SIMETO Wheatstone Bridge H&B » PONTAVI « Inductance/Capacitance Bridge H&B » INKAVI « MTM MULTIMETER & R-L-C BRIDGE MTM R-L-C BRIDGE Restoration Details Portable MicroAmpere-Meter Portable S&H POST DC/AC Volt/Ampere-Meter Portable GOSSEN POST V/A-Meter Portable AEG Volt&Ampere-Meter Portable WESTON Watt-Meter Test-Unit for the WESTON Watt-Meter (USA-Version) Lab Precision S&H Watt-Meter (1900) Test-Unit for the S&H Watt-Meter (German-Version) Lab Precision S&H Watt-Meter (1970) Drehstrom-Drehfeld-Richtungsanzeiger H&B (1970) KiloWattHour-Meter Application = Monitor Charging of an Electric Car Inside view of the home-made KWH-Meter Unit THE C L O C K & W A T C H COLLECTION "TICK-TACK..." Why & How WALL CLOCKS ... Westminster Clock Hermle "Open-Iron-House" Howard Miller "Date&Time" Snapshots of the Restoration Procedure Seth Thomas (1863) Insights to Inside & Backside Schatz Ships Clock The "Royal Mariner"-Version Chelsea 24 Hour WWII US Military Clocks Russian Submarine Clock A German Cuckoos Clock NeXtime - The Ultimate Simplicity MANTEL CLOCKS ... GrandMa's Mantel Clock The »ATMOS« Clock How the ATMOS works Imexal CALENDAR Clock Hermle GLOCKENSPIEL Clock Snapshots of the Restoration Procedure The » Mystery Clock « Lawson ArtDeco (el.-mech.) DIGITAL Synchron Clock Tymeter ArtDeco (el.-mech.) DIGITAL Synchron Clock Hamilton (el.-mech.) DIGITAL Synchron Clock Kundo (el.-mech.) DIGITAL Synchron Alarm Clock Garant (el.-mech.) DIGITAL Synchron Alarm Clock Sankyo (el.-mech.) DIGITAL Synchron Alarm Clock DESK-TOP CLOCKS ... Quartz Clock w. World Time Calculator WORLD TIME CLOCKS ... Quelle MeisterAnker/LordKing World Time Clocks (1st) Motor Repair Procedure (2nd) Mechanical Timer Repair Procedure Kenwood Ham World Time Clock Kundo World Time Clock Kienzle World Time Clock Seiko World Time Clock Takane World Time Clock STOP WATCHES ... Hanhart / Germany Breitling / Swiss Camero [= HANHART / Germany ] / Swiss Slava / USSR Junghans / Germany Hanhart / Germany = REFA-Watch IBA / Germany = REFA-Watch PS.: An '80s "Plastic-HANHART" Waltham CHRONOMETER Elgin POCKET WATCH Hamilton 24H Pocket Chronometer WRIST WATCHES ... Olma (Radioactive!) Omega Automatic » Seamaster Cosmic « Endura » Jump-Hour-Digital « Swatch Automatic » Irony / Body & Soul « Citizen's "Navitimer" » Perpetual Calendar Chronograph « Discussion "Citizen vs. Breitling" TIMER ... EggTimer ReiseWecker ... ... in TEE-DOSE SAND GLASS A Clock Riddle SLOT MACHINES PACE » DELUXE CHROME BELL « Slot Machine Inside View / Snapshot of the Restoration Procedure MILLS » CHERRY BELL, BLUE FRONT « Slot Machine PostScript: New Problems solved ... BRYAN » FIVEWIN « PinBall Slot Machine Slot Machine »BONANZA« Saving Bank 3 BOOKS about Slot Machines / History recommended Slot Machine »BUCKAROO« Saving Bank Slot Machine MINI Saving Bank - Version 1 Slot Machine MINI Saving Bank - Version 2 MECHANICAL MUSIC VICTOROLA Gramophone MICROSCOPE to TEST the NEEDLES THORENS MusicBox with Metal Records Insights to Inside & History Yet another MusicBox from THORENS PIANOLA, A Mechanical Player Piano Inside Views THE OTHER WORLD Other Collector Items from the Past Storm Glass / Robert FitzRoy Goethe Barometer Weather Station Altimeter / Barometer Kompass-Rose » GPS-Tools « from the 50s » Civil Engineer's NOTE PAD « from the 60s Pocket Microscope »TAMI« (= TA_schen MI_kroskop ) Universal Light / Exposure Meter A Light-Quantum-Mill Universal All Angle Level Steam Tractor LangHolzWagen Steam Roller Restoration Procedure Stirling Engine Toy Candle Boat Fresnel Lense Kalimba Harmonica Xylophone Spinet Toy Piano Mini-Metronom Wind Chime A Vintage Power Insulator as a PaperWeight Beer Bottles »LUCHS« MessBecher Turkish Coffee Mill Aladin's Oil Lamp » Tropical Bug « The Theory behind the DOMINO Game » TRIOMINO « A MIND GAME: "How many Pieces are in a DOUBLE-x-DOMINO ?" Puzzle » Tower-Of-Hanoi « Roulette Game Roulette Rules Chess Game Shattuck Recycled Art LINKS to Other Interesting Web Sites GENERAL ( Information, History & Simulation ) ADDIATOR ( & On-line Simulation ) COMPTOMETER ( & On-line Simulation ) CURTA ( & On-line Simulation ) FACIT ( & On-line Simulation ) NATIONAL CASH REGISTER MANUALS for OTIS-KING, FOWLER & more PORTABLE TYPEWRITERS impressum: ****************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 10/09/22