![](https://coimages.sciencemuseumgroup.org.uk/30/674/large_thumbnail_1969_0430__0002_.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/30/674/large_thumbnail_1969_0430__0002_.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/73/772/large_thumbnail_1931_0947__0004_.jpg)
Avoirdupois weight (standard)
1588
![](https://coimages.sciencemuseumgroup.org.uk/345/667/large_thumbnail_smg00052313.jpg)
4lb weight for Roberval balance
![](https://coimages.sciencemuseumgroup.org.uk/307/561/large_thumbnail_smg00028618.jpg)
Bronze weight in the shape of a bird
![](https://coimages.sciencemuseumgroup.org.uk/307/651/large_thumbnail_smg00028987.jpg)
Metal weight, in the shape of an animal
![](https://coimages.sciencemuseumgroup.org.uk/307/652/large_thumbnail_smg00028988.jpg)
Two weights in the shape of birds
![](https://coimages.sciencemuseumgroup.org.uk/307/649/large_thumbnail_smg00028985.jpg)
Steelyard weight, bronze, in form of an animal
![](https://coimages.sciencemuseumgroup.org.uk/345/633/large_thumbnail_smg00051235.jpg)
Bronze weight
![](https://coimages.sciencemuseumgroup.org.uk/345/634/large_thumbnail_smg00051236.jpg)
Bronze weight
![](https://coimages.sciencemuseumgroup.org.uk/345/629/large_thumbnail_smg00051231.jpg)
Bronze weight
![](https://coimages.sciencemuseumgroup.org.uk/345/628/large_thumbnail_smg00051230.jpg)
Bronze weight
![](https://coimages.sciencemuseumgroup.org.uk/333/1/large_thumbnail_smg00046077.jpg)
Pharmacy weight
1800-1900
![](https://coimages.sciencemuseumgroup.org.uk/317/825/large_thumbnail_smg00110577.jpg)
20 glass weights, some with engravings and stamps
![](https://coimages.sciencemuseumgroup.org.uk/307/817/large_thumbnail_smg00110529.jpg)
Crellin stone weight with engravings
![](https://coimages.sciencemuseumgroup.org.uk/210/659/large_thumbnail_1932_0240__0003_.jpg)
Weights and original correspondence from the Castlereagh Collection for Trieste
1800-1820
![](https://coimages.sciencemuseumgroup.org.uk/210/640/large_thumbnail_1932_0216__0003_.jpg)
Weights and original correspondence from the Castlereagh Collection for Havre de Grace
1800-1818
![](https://coimages.sciencemuseumgroup.org.uk/210/634/large_thumbnail_1932_0211__0002_.jpg)
Weights and original correspondence from the Castlereagh Collection for Elsinore
1800-1819
![](https://coimages.sciencemuseumgroup.org.uk/210/626/large_thumbnail_1932_0207__0005_.jpg)
Weights and original correspondence from the Castlereagh Collection for Civita Vecchia
1800-1818
![](https://coimages.sciencemuseumgroup.org.uk/727/897/large_thumbnail_smg00449455.jpg)
TTb,1920.
1920
![](https://coimages.sciencemuseumgroup.org.uk/727/896/large_thumbnail_smg00449453.jpg)
LM,1920.
1920
![](https://coimages.sciencemuseumgroup.org.uk/727/903/large_thumbnail_smg00449461.jpg)
Holcroft, 1920.
1920
![](https://coimages.sciencemuseumgroup.org.uk/723/344/large_thumbnail_smg00449454.jpg)
Cannon (1), 1920.
1920
![](https://coimages.sciencemuseumgroup.org.uk/311/435/large_thumbnail_smg00109049.jpg)
Acorn weight or amulet
![](https://coimages.sciencemuseumgroup.org.uk/476/132/large_thumbnail_smg00245024.jpg)
Weights
1880-1900
![](https://coimages.sciencemuseumgroup.org.uk/126/207/large_thumbnail_cd0706_017_130408_1989_246_246_weights.jpg)
Weight
1910-1930
![](https://coimages.sciencemuseumgroup.org.uk/476/286/large_thumbnail_smg00245285.jpg)
Weights
1890-1910
![](https://coimages.sciencemuseumgroup.org.uk/382/631/large_thumbnail_smg00053667.jpg)
Glass weight
701-1500
![](https://coimages.sciencemuseumgroup.org.uk/382/619/large_thumbnail_smg00053655.jpg)
Cylindrical lead weight, said to be Saxon
500-1050
![](https://coimages.sciencemuseumgroup.org.uk/370/861/large_thumbnail_smg00053125.jpg)
Roman bronze weight
![](https://coimages.sciencemuseumgroup.org.uk/391/847/large_thumbnail_smg00187624.jpg)
Rectangular stone weight with pictograms
900-500 BCE
![](https://coimages.sciencemuseumgroup.org.uk/382/624/large_thumbnail_smg00053660.jpg)
Glass weight with impressed Arabic inscription reputedly from Egypt
701-1500
![](https://coimages.sciencemuseumgroup.org.uk/382/627/large_thumbnail_smg00053663.jpg)
Glass weight with impressed mark
701-1500
![](https://coimages.sciencemuseumgroup.org.uk/416/476/large_thumbnail_smg00163465.jpg)
Irregular stone weight
1880-1920
![](https://coimages.sciencemuseumgroup.org.uk/497/715/large_thumbnail_smg00203342.jpg)
Circular brass 2 dram weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/354/large_thumbnail_smg00203377.jpg)
Circular brass 2 dram weight, English, 1850-1930
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/395/large_thumbnail_smg00203420.jpg)
2 square brass weights
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/358/large_thumbnail_smg00203381.jpg)
Square brass 2 scruple weight, English, 1850-1930
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/497/695/large_thumbnail_smg00203322.jpg)
Circular brass 2 scruple weight
1950-1930
![](https://coimages.sciencemuseumgroup.org.uk/497/716/large_thumbnail_smg00203343.jpg)
Circular brass 1/2 dram weight, English, 1850-1930
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/497/709/large_thumbnail_smg00203336.jpg)
Rectangular brass 2 scruple weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/497/701/large_thumbnail_smg00203328.jpg)
Circular brass 1 dram weight, English, 1850-1930
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/349/large_thumbnail_smg00203372.jpg)
Circular brass 2 scruple weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/373/large_thumbnail_smg00203397.jpg)
Rectangular brass 60 grain weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/372/large_thumbnail_smg00203396.jpg)
Large rectangular brass weight for soda
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/365/large_thumbnail_smg00203388.jpg)
Small circular brass 1/2 scruple weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/392/large_thumbnail_smg00203416.jpg)
Thin rectangular brass 5 grain weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/394/large_thumbnail_smg00203419.jpg)
Tiny square brass 1 grain weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/384/large_thumbnail_smg00203408.jpg)
Rectangular brass 5 grain weight
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/382/large_thumbnail_smg00203406.jpg)
Square brass 2 scruple weight probably English
1850-1930
![](https://coimages.sciencemuseumgroup.org.uk/433/359/large_thumbnail_smg00203382.jpg)
Thin brass square weight
1850-1930