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1813 Leaf with Steel Engravings - Micrometers

By David Brewster / Anderson

Leaf

Regular price $35.00
Regular price Sale price $35.00
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1832 leaf with many steel engravings depicting micrometers in black ink on paper from A Treatise on New Philosophical Instruments by David Brewster published by in Edinburgh in 1813.

In 1637, the English astronomer William Gascoigne invented a measuring gauge called the "Caliper Micrometer" to measure the angular distances between stars and the relative sizes of celestial objects.

Condition: As shown, on paper in good condition with minor age toning and spotting to outer margins. 26.5 x 20.5 cm.
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