Military Surveyor's Protractor, by Erasmus Habermel, Prague?, Late 16th Century

Subject: Surveying
Item type: Object
Makers: Erasmus Habermel
Provenance: Purchased with the assistance of a grant from the Pilgrim Trust.
Primary inscriptions: "Erasmus Habermel fec"
Physical material: Gilt and silvered copper
Dimensions: Diameter: 13.2cm Height: 14.5cm Width: 15.8cm Depth: 1.5cm Weight: 0.5kg
Inventory No: 54619
Accession Number: 1962-102

Description

Circular protractor with pivoted tangential rule, degree scale with diagonal division, and positions for walls of polygons from 3 to 16 sides.