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Title: Octagonal brass crosshead with compass, marked S. L. with tr [Go to resource]
Description: Octagonal brass crosshead with compass, marked S. L. with triple candlestick, cardinal points having half slit half thread in opposition, the intermediate quarters being slits. Compass marked 0(1)360, numbered 0(20)340, N,S,E,W marked, in pine case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: crosshead Temporal: 1850-1900 Source: Science Museum Creator: S. L. Identifier: 1998-771 Go to resource More Like this...
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