Musketry rule with slider

Made:
1917-1925
Musketry rule with slider, window and two cursors

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Musketry rule with slider, window and two cursors
Science Museum Group
© The Board of Trustees of the Science Museum

Musketry rule with slider, window and two cursors. Early 20th century model, 1917

Details

Category:
Mathematics
Object Number:
1993-113
Materials:
steel, aluminium and brass
Measurements:
overall: 7 x 121 x 26 mm
type:
rule (gunnery)
credit:
Tesseract