The "Swift" specific gravity reckoner, for calculating weights in gallons at different specific gravities from .700 to 2.00;every lb. to 1cwt.; every cwt. to 1 ton; 1 ton to 30 tons, and others to 100 tons; also conversion table of degrees Twaddle [i.e. Twaddell] to specific gravity.

Object detail

Accession number

09-0737

Media/Materials

Processed Material/Paper

Physical description

[40] p. : 22 cm.

Credit line

[1948]. The "Swift" specific gravity reckoner, for calculating weights in gallons at different specific gravities from .700 to 2.00;every lb. to 1cwt.; every cwt. to 1 ton; 1 ton to 30 tons, and others to 100 tons; also conversion table of degrees Twaddle [i.e. Twaddell] to specific gravity., 09-0737. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).

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Classification

Book Communication Artefacts Documentary Artefacts Other Documents

Production place

London Greater London England Great Britain British Isles Europe Great Britain United Kingdom

Subject: all levels

Calculators Ready-reckoners

Collection type

Published Titles Walsh Memorial Library

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