C O U N T E R S are specialized +1 ( or -1 ) Adding Machines ******************************************** ( 1 ) This is a MANUAL EVENT COUNTER ( eg. for statistics ) Held in the left hand ( middle finger slipped through the ring ) the top counting key is pressed by thumb. ( The right hand is free for making notes on paper. ) Turning the right wheel clockwise reset the counter. ( Manufacturer unknown ) ( 2 ) This RESETABLE ASSEMBLY-LINE COUNTER is activated by lifting its lever. It can be reset by turning the left wheel counter clockwise Manufacturer: VEEDER-ROOT, Hartford, Connecticut / USA ( 3 ) This is an electro-mechanical TELEPHONE TOLL COUNTER ( > 6 VDC, 50 mA, 25 Imp/s ) Manufacturer SIEMENS & HALSKE, Berlin / Germany ( 4 ) This electro-mechanical RESETABLE COUNTER was used to count lottery tickets in a sorting machine ( 24 VDC, 10 mA, 25 Imp/s ) Manufacturer: Fritz Kuebler, Schwenningen / Germany See an APPLICATION » PULSAR + COUNTER = DIGITAL TIMER « ( 5 ) This is a "Shopping COUNTER / Calculator", named »INSTAMATIC«: Inputs are DOLLARS (= 0..19); DIMES (= 0..9); CENTS (= 0..9) Made by FEDTRO, Hongkong ( 6 ) More Mechanical COUNTERS can be seen in the NCR Cash Register ... ( 7 ) A BATES STAMP NUMBERING MACHINE ... |
OVERVIEW impressum: ************************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 11/12/12 |