Metal hand balance with an iron beam and brass pans. Metal hand balance with an iron beam and brass pans 1830-1860
Miller's Vacuum Balance [comparator], by L. Oertling, 1870, glass side caps (broken glass replaced 18/ 10/33). Length of beam 1'-4", sensitivity 0.0042gr. Miller's Vacuum Balance by L. Oertling, 1870 1870
Balance to carry 1000 grammes and to turn with 20 milligrammes 6 inch pans Analytical balance circa 1886
Oertling model 5SBP analytical balance with separate telescope, serial no.11192, made 1910. Oertling model 5SBP analytical balance, 1913, with free standing telescope 1910
Automatic one-pan analytical balance, 1963 (Oertling model HO5) Automatic one-pan analytical balance 1963
Wind Tunnel Mechanical Balance, used Initially in the RAE 24 Foot Wind Tunnel, Plus Set of Weights. Wind Tunnel Mechanical Balance
Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd, Birmingham, Serial No. 356, capacity 200 grams, c.1950s Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd 1950-1959