26th Apr, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
A Palmers Computing Scale with Fullers Time Telegraph
double sided cardboard circular slide rule and calendar calculator, in book form card folder with instructions, mid-19th century, 31cm square
Sold for £312
Result including buyers premium
double sided cardboard circular slide rule and calendar calculator, in book form card folder with instructions, mid-19th century, 31cm square
Auction: Fine Photographica & Instruments of Science & Medicine, 26th Apr, 2018
