Ruler

Ruler marked 'J.W. SMITH COVENTRY ENGINE DIVIDED METRIC PATENT NO. 252098 50 C.O.I.L. MADE IN ENGLAND'.

Object Details

ID: ZBA4470.14
Type: Ruler
Display location: Not on display
Creator: Smith, J.; J W Smith
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 3 mm x 323 mm x 33 mm
Parts: Draughtsman's Tools
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