|
![](big/other67_01.jpg)
![](small/other67_01.jpg) ![](small/other67_02.jpg) ![](small/other67_03.jpg) ![](small/other67_04.jpg) ![](small/other67_05.jpg)
ADDO Mod 16 | A.B. Addo, 1926 | Hand operated mechanical calculator.
Full-keyboard add-lister for the old sterling currency (£sd).
Intended for addition and subtraction with the result printed as a listing on the paper, though multiplication is posible using repeated addition.
| | None |
|
|