Set of Exchequer standard Troy bronze weights, 1588

1588 in London

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Queen Elizabeth's third set of Exchequer standard avoirdupois weights from 8lb to 1/8oz eleven flat circular nested
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Queen Elizabeth's set of Exchequer standard troy weights from 256oz to 1/8oz, in ancient leather case; 13 nested cup weights in bronze, for 256,128,64,32,16 8,4,2 and 1oz. Troy, 10dwt (240gr), 5dwt, 2.5dwt(60gr.cup) and 2.5dwt solid

Set of 13 bronze nested cup weights made between 1582 and 1588 at the command of Elizabeth I, Queen of England, 1533-1603 as primary standards for England. Copies of these Exchequer standards were issued to 43 boroughs in England to encourage and enforce fair trade in commerce. They were the third set of weights produced for this purpose as earlier examples proved defective. In England precious metals were weighed using the Troy system based on a pound of 12 ounces containing 5,760 grains. These weights remained the primary standards until 1824 when they were superseded by more accurate mass standards.

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Weighing & Measuring
Object Number:
bronze, complete, leather, wood
weights (avoirdupois)
Board of Trade
Permanent collection

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