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Dictaphone 1681

The Dictaphone 1681 is an arithmetic calculator with 8 digits precision and algebraic logic. It has an unknown number of functions, unknown keys and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack.

Facts at a glance:

Type Arithmetic
Functions unknown
Keys unknown
Precision 8
Logic Algebraic
Display type VFD
Display size
Length 222 mm
Width 140 mm
Thickness unknown mm
Weight unknown g
Power Source Sealed battery pack
Original price unknown
Est. current value unknown
Year introduced 1972
Year discontinued

See other calculators manufactured by Dictaphone.