Range finder - No.12 Mk III (A.N.G.L.) - 1900-2000 - United Kingdom - Rangefinder #20th century #angle measurement #civil engineering #geospatial #measurement tool #optical device #range finder #survey instrument #uk instrument #vintage surveying
Nested cup weights - Bronze #bronze weights #calibration #collectible weights #historical weights #measurement tool #nested weights #precision measurement #trade equipment
