KOMET » TA « ( Later made by BRUNSVIGA as Model » 90_TA « ) |
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Have a look at the KOMET Restoration Procedure ... |
T E C H N I C A L D A T A of the Mechanical Calculator KOMET TA *********************************************************************** 8/9 Serial Number: TA 043425 Dimensions: (ca.) Width = 9 " / 23 cm Depth = 10_1/2" / 26 cm Height = 5_1/2" / 14 cm Weight: (ca.) 8_1/4 lbs / 3.7 kg Functions: Add, Subtract Mechanics: 8*9 Full-Keyboard ( ~ VICTOR = "Nonius Principle" ) Registers: Input = 8 Decimals Input-Display = 8 Decimals Arithmetic = 9 Decimals Manufacturer: KOMET RECHENMACHINEN Frankfurt am Main Germany 1955 H O W T O U S E the KOMET TA ************************************** CLEAR INPUT & MEMORY: --------------------- Pressing the [*]-KEY clears the keyboard & pressing the HANDLE down will set the memory to ZERO. ( Push the MEMORY-WINDOW to the right !) The [*]-KEY will be released after releasing the handle. ADDITION: --------- The LOWER DISPLAY shows the actual number just keyed in. When a wrong number is keyed, press the [C]-KEY and start again. When the HANDLE is pressed down, the number is added to memory. Its actual content is shown in the UPPER DISPLAY & the keyboard will be cleared. REPEAT: ------- To enter the same number more than once, press the [R]-KEY before pushing down the handle. The keyboard will NOT be cleared after releasing the handle. To release [R], Press the [C]-KEY. SUBTRACTION: ------------ Enter the number. Press the [-]-KEY before pressing down the handle. The number is subtracted from memory. Its actual content is shown in the UPPER DISPLAY & the keyboard will be cleared. NEGATIVE RESULTS ... -------------------- ... are displayed as COMPLEMENT of the next higher 10, 100, 1000 ... Example: -12 = 99...9988 When the M E M O R Y - W I N D O W is PUSHED TO THE LEFT, than the "9-COMPLEMENT" = "0...011" is visible ==>>> +1 is the TRUE NEG.NMBR. Have a look at "Calculating Trickies" ... impressum: *********************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 11/01/11 |