Otis King's Cylindrical Slide Rule, London, 20th Century

Subject: Calculation
Item type: Object
Makers: Otis King
Provenance: Purchased.
Primary inscriptions: "P1175" on base; printed label pasted on box "Otis King's / Calculator / Model "L" / No. P1175" (the number is written in MS).
Object type: Slide rule
Dimensions: Width: 224mm Depth: 32mm Weight: 0.22kg
Inventory No: 75973
Accession Number: 1994-3/2

Description

Model L (pasted on box); relatively late model, no longer gives manufacturer. With cardboard box.