Assay Balances
OERTLING Assay Balances 1850 - 1961
15
Portable assay balance: 1870 - WW1
12 / 12A
Early long beam swing pointer: 1850 - WW2
14
Twin high mounted pointers, short beam
12SB / 12SBA
Short beam swinging pointer (Illustrated 1894): 1880 - 1961
12C
Short beam swinging pointer (Illustrated 1912): 1880 - 1961
