Inventory no. 55662 - Former Display Label
English SLIDE-RULE for calculating rates of exchange and converting weights and measures.
1815
Mahogany with paper scales printed from engraved plates. The scales are inscribed, "Published by W. Cary, 182, Strand, Aprl. 1. 1815." and "... Apl. 24. 1815."
The various scales are entitled, "EXCHANGES, BULLION etc.", "WEIGHTS & MEASURES", "MONIES & COINS".
From the Radcliffe Observatory.
Presented by the Radcliffe Trustees.