International Workshop BC
D. Lehn Hilton's first unknown slide rule.
“Germany”
Click image for magnification
Data:
- 10cm long slide rule
- only the word “Germany” in the right hand end of the valley
Question:
- Manufacturer, date, target market, etc.
Albert Nestler No. 41, produced between 1914 and 1933. With a tendency towards the earlier date. These so-called ‘Liliput’ versions were often offered as promotional gifts. The accuracy of such a short dividing length is naturally not the highest. The advertising company's imprint was often only applied to the cardboard sleeve. Andreas Faßbender