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Inventory No. 48252 - Exhibition Label 'Compass & Rule; Architecture as Mathematical Practice in England 1500-1750'

Ingenuity and Accuracy

This small pocket set of drawing instruments is typical of the neat and elegant style for which Thomas Heath was renowned. Dating from about 1740, the instruments are in silver and ivory and the fishskin case is silver-mounted. In contrast to the rarity of Heath's architectural instruments, sets of this type survive by many makers and in considerable quantity. Characteristically, Heath added a twist to the standard pattern. He included an ingenious addition in the form of a pair of 'turn-up' compasses with swivel points. These can be configured as either dividers, ink compasses or pencil compasses.

61: Museum of the History of Science

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