5th May, 2022 10:00
The Collectors Sale
A Collection of Slide Rules
a Halden Calcules in case with instructions, a circular slide rule by Fearn's Calculators, cased with instructions, a Faber Castell /10circular slide rule in leather case, Ratcliffe's Spring Calculating slide rule, Faber's Calculating Rule, and another in beech (6)
Sold for £94
Result plus buyers premium
a Halden Calcules in case with instructions, a circular slide rule by Fearn's Calculators, cased with instructions, a Faber Castell /10circular slide rule in leather case, Ratcliffe's Spring Calculating slide rule, Faber's Calculating Rule, and another in beech (6)
Auction: The Collectors Sale, 5th May, 2022
