Florence 1582
4°, pp. 56 (53 + 3 n.n.), ill.; 22,1x16 cm
Florence, Istituto e Museo di Storia della Scienza, MED 1209, p. 8
The treatise describes the operations of an instrument designed by Lupicini. The "astronomical staffs" could be used as a level, a gunner’s square, a quadrant, a folding square, and for surveying. The plate on display illustrates all the components of the instrument.