Calculating Devices Review / HowTos

My reviews & how-tos for adding machines and other antique calculating devices.

Curated by: Chris Staecker (120 videos)

Currently Playing: They really made pocket sundials #history #sundial #antique

The Ansonia Sunwatch from the 1920s. Full video here: https://www.youtube.com/watch?v=ZDS21lLXUdk Instructions book here: https://archive.org/details/ansonia-sunwatch-instructions

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