- Subject
- Calculation
- Item type
- Object
- Makers
- Carbic Ltd.
- Primary inscriptions
- "E / 0358" on base; "OTIS KING'S / MODEL K / Patent CALCULATOR" slip pasted on cardboard box.
- Object type
- Slide rule
- Dimensions
- Height: 40mm Width: 175mm Depth: 41mm Weight: 234g
- Inventory No
- 25142
- Accession Number
- 1994-3/1
Description
A rectangular black cardboard box with a removable lid that contains a cylindrical brown leather carrying case with a copper alloy snap button fastener. The leather case holds a Model K Otis King cylindrical slide rule that consists of 2 slide rule scales arranged in a spiral around a cylinder, with a copper alloy handle at one end and a black metal sliding tube-marker along the barrel. The upper part of the cylinder carries scale no. 423.
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