Description and use of the Sliding Rule for gauging ,ullaging ,valuing and reducing spirits ; Directions for cask & malt gauging with method of gauging by the callipers. 1895
£9.50
Four -Figure Mathematical Tables
£1.00
Desk Organizer given away by Morris – Muscles for Industry – for advertising purposes – 5-in-1 Combination of Index, Memo, Calendar, Pen and Ruler
£4.99
Salter Letter Balance
£10.00
Botwoods Ltd., Exide Service Station – 1958 Calendar
£2.99
Engineers Speedy Precision Data Charts and Reference Tables
£3.00
