Live veiling - Lot 475
Logarithmic calculating drum.
Rubriek: Globe en instrumenten
Onderwerp: [Mathematics]
Hamerprijs: €
150
€ 180 / 250
Live bieden (Drouot*) Live bieden (Invaluable*)Biedingen zijn afgesloten.
Beschrijving lot
Zürich, Daemen-Schmid, ca. 1925
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.
Meer foto's
Vorige