Rolling Ruler – England, late 19th century

Heavy rolling ruler of rosewood with brass rollers.

Rulers like this one are used to plot course lines and bearings on nautical charts. They can be rolled across the chart to the compass rose without changing its orientation.

Catalog: NM.3-14
Date: 1880-1910
WL: 39×6 cm (15,3×2,3 in)
Signed: not signed
Origin: England
Condition: perfect

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