Two-Pound Weight
1930-1950
Crane Foundry Iron weight
1880-1920
Mechanical-advantage demonstration with pulley block and weight.
1932
Mechanical-advantage demonstration with windlass, pulley block and weight
1932
Hexagonal 20kg Iron weight with ring handle and lead adjustment recess in the base
1871-1900
Iron Weight
1910-130
Mechanical-advantage demonstration with pulley block and weight.
1932
Three German cylindrical iron weights: 25-Kilos, 10-Kilos and 1-Demi-Kilo, 1859
1859
Iron Weights
1895-1905
iron weight
One of five Swedish commercial weights
1862
One of five Swedish commercial weights
1862
One of five Swedish commercial weights
1862
Five German flat square iron weights: 100, 50, 20, 10 & 5-grammes
1859
Weight for 8 ounces
1850-1930
Weight for 2 pounds
1850-1930
Weight for 4 pounds
1850-1930
Iron weight
1501-1600
Iron weight
1501-1600
iron weight
One of five Swedish commercial weights
1862
One of five Swedish commercial weights
1862
Iron Weight
1880-1900
Weight for 1 pound
1850-1930
Five Platform Weights
circa 1930
Pile of weights on a hook from traction Apparatus
Selection of six hexagonal iron weights with loop handle (1 Kilogramme to 1/2 hectogramme)
circa 1851