International Workshop AN
Bart Depuydt's strange Hemmi slide rule
J. Hemmi “Sun” Model 82 Pocket
Click images for magnification
Bart's Hemmi
ISRM's Hemmi
Data:
- Length 150 mm
- Probably used by an English schoolkid
- According to the ISRM 21.11.24.01: made between 1914 and 1929
Question:
- Why do the slots on the back differ from all Hemmi's shown in the
ISRM?
The ISRM item Sun (Hemmi) Model 1 (British Export version) looks similar Andries de Man
The closed windows are not necessarily for English imports. Peter Hopp
Is there a scale on the back of the stock? David Rance