International Workshop BC

D. Lehn Hilton's first unknown slide rule.

“Germany”

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Data:

  • 10cm long slide rule
  • only the word “Germany” in the right hand end of the valley

Question:

  1. 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