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Gunner's Sight And Level
Signed by Josua Habermel
Later 16th century; Prague
Brass and silver; 180 mm in height

This finely engraved silver instrument is made up of a curved base with a sliding transverse plate which carries a small compass, graduated vertical sight with slider, and a graduated levelling arc.

Combined sights and levels were used in gunnery, allowing artillery to be aimed correctly by placing the instrument on the rear of the cannon to measure its elevation.

This instrument was constructed by Josua Habermel, a Prague instrument-maker noted for the precious objects he made for princely collections.

Istituto e Museo di Storia della Scienza, Firenze
Inventory no. 2539

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