Live auction - Lot 475
[Mathematics]
Logarithmic calculating drum.
Zürich, Daemen-Schmid, ca. 1925
Hammer price: €
150
€ 180 / 250
Live bidding (Drouot*) Live bidding (Invaluable*)Bidding is closed
Lot description
Aluminum drum, 60,5 x 17,5 cm, with slotted cylindrical sleeve, signed "Loga Calculator 15m Patente Daemen-Schmid Uster-Zürich"; the drum covered with paper marked with logarithmic scales (sl. used, paper rubbed and stained).
Without supporting aluminium frame.
Ref. Smithsonian.
More photos
Previous