C O U N T E R S


are specialized +1 ( or -1 ) Adding Machines
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( 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 = CLOCK «

( 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:
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© C.HAMANN        http://public.beuth-hochschule.de/~hamann       11/11/12