Course and Speed Calculator

Object detail

Accession number

2011.183

Maker

Hall Telephone Accessories (1928)
W G PYE and Company Limited

Description

A Course and Speed Calculator with a circular bakelite dial with metal rim, and a transparent plastic ruler on top. Dial sits on black metal rectangular base. Underside has a second black circular dial. Clips on side to adjust slide. Contained within a rectangular wooden box with green felt lining. Box has a leather hand strap and two metal clasps at front edge. Second transparent ruler contained in box, with smaller measurements.

Marks

C49 Hand-written
726/39 Hand-written
REF. NO. 6B/120 / COURSE & SPEED CALCULATOR / MK. II / W.C.PYE & CO. LTD / SERIAL NO.4379/39 Stencilled
COURSE & SPEED CALCULATOR / MKIIA / H.T.A.(1928)LTD / 726/39 / A.M. / 6B/125 Inscribed
121238 Hand-written

Media/Materials

Processed Material/Metal
Processed Material/Synthetic/Plastic
Organic/Vegetal/Wood
Processed Material/Textile/Felt

Collection

John Barton Collection

Credit Line

Hall Telephone Accessories (1928) et al. Course and Speed Calculator, 2011.183. The Museum of Transport and Technology (MOTAT).

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Classification

Processor, Digital Data Calculator Tools & Equipment for Communication Data Processing T&E Data Processing Devices

Production place

England Great Britain British Isles Europe Great Britain United Kingdom

Collection type

Air and Space Transport

Subject auto tags

Wood Font Technology Measuring instrument Symmetry Gas Circle Rectangle Metal Fashion accessory

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