Rotary
calculators
Badenia VA-17
Badenia VARE-17
Bohn Contex 55
Cellatron R44SM
Diehl DSR-18
Diehl VSR-18
Facit CA1-13
Friden SBT
Friden SVE
Friden SRW
Friden SRQ
Friden RSR
Hamann 505
Madas 20 BTG
Marchant ABL
Marchant SKA DeciMagic
Marchant Tenkeymatic
Monroe IQ-213
Olympia RA-16
Soemtron 214
Printing
calculators
Mechanisms
Glossary
Other
calculating devices
References
and links
Acknowledgements
Wanted |
|
Diehl
VSR-18 |
|
|
|
|
|
|
Manufacturer
|
|
Diehl
G.m.b.H.
Nürnberg, Germany |
|
Mechanism
|
|
stepped
drum |
|
Capacity
|
|
11
x 8 x 17 |
|
Years
produced
|
|
1962
to 1964 |
|
Price
when new
|
|
DM
4700 ($1180) in 1964 |
|
Size
(W x D x H)
|
|
in.
cm. |
|
Weight
|
|
lb.
oz. (kg) |
|
Features
|
|
visible
memory register
back transfer
shortcut multiplication |
|
click
on photo to enlarge |
|
|
|
|
|
|
|
Last rotary calculator
from Diehl, incorporating a new fully automatic shortcut multiplication
mechanism. A steel band runs around the perimeter of the machine
to couple the carriage position to the multiplication mechanism.
This is arguably the most advanced rotary calculator ever produced.
visible memory, back transfer. (Reese)
|
|
|
|
|