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Record Details

Spiral Gear Calculator, by Elliott Brothers, 20th Century

Inventory Number: 12926
Object Type:
Accession Number: 2003-11
Brief Description: In box. With typed sheets of instructions.
12926.1) Spiral gear calculator consisting of flat rectangular sheet of metal engraved, in black and red, diagrams and scale. Moveable metal scale attached to the centre.
12926.2) Metal rule engraved in red and black and fitted into case lid.
12926.3) Wooden fitted case with lid and brass hinges.
12926.4) Typed sheets of instructions.
Primary Inscriptions: On box 'SPIRAL GEAR / CALCULATOR'. 'SPIRAL GEAR-CALCULATOR | FOR RIGHT ANGLE SHAFTS'.
Provenance: Presented by the Marconi Corporation in 2003.
Collection Group: Elliott Collection
Material(s): German silver
Wood
Brass
Paper
Dimensions:
Height Width Depth Diameter Unit
43 145 184 mm

There are no associated narratives.

Image with multimedia irn 47124

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