Analytical balance, single-pan constant-load aperiodic optical-projection type, model 2748 serial no.145953, capacity 200g x 1mg, by Sartorius-Werke AG, Gottingen, West Germany (lacks two small weights) Analytical balance 1960-1983
Oertling Single-pan balance. Model R10. To weigh to 200gm [serial No.14966]. Oertling Single-pan balance with instructions 1964
Long-beam, 14", Oertling balance, used by Ramsay and Travers in their inert gas researches in 1896. It is an early Model 5 balance with no distinguishing marks, but unusual stirrup pans fitted, probably made before 1860, Glazed wooden case with two drawers in base, Analytical balance used by the chemist Ramsey & Travers, 1850-1860 1850-1860
Sartorius analytical balance in glazed mahogany case with black glass base, brass beam and column, with cylindrical dampers, projected reading and ring weight loading dial, Model DP3, Serial No 45536, c 1935. Balance with damping, optical reading, and rider attachment (Sartorius) 1934-1935
Chemical balance used by Dr. Andrew Ure (1778-1857), has a glazed wooden case and a long wooden drawer in the base, made by Breithaupt & Sohn, Cassel. Brass beam and pillar. Analytical balance by Breithaupt & Sohn, Germany, 1804-1830 1804-1830
Short beam analytical balance in mahogany glazed case by Ladd & Oertling, London in England, 1860-1869. Analytical Balance, 1860-1869 1860-1869