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Baldassarre Lanci [attr.], Bussola topografica
Baldassarre Lanci [attr.], Surveying compass

16th cent.
Gilt and enameled brass; total length 48 cm, diameter 18,2 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 144

This instrument might have been used for surveying as well as for measuring time. A few details of the diopter lead to the hypothesis of the presence of a stylus for perspective drawing similar to that of instrument II.1.11.