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AN ENGLISH BRASS SOLAR MICROSCOPE

GEORGE STERROP, LONDON. BEFORE 1756

细节
AN ENGLISH BRASS SOLAR MICROSCOPE
GEORGE STERROP, LONDON. BEFORE 1756
Signed GEO STERROP MAKER LONDON on the square rotating base-plate, the mirror with geared adjustment, the body tube with slide carrier to the top and slot for the objective lenses, rack and pinion for focusing, together with a brass slider with four numbered objectives, two various brass and one wooden slide with objectives (some beads lacking), twelve bone and one boxwood slide with various specimen (some lacking); in the original fitted mahogany case
the microscope circa 24 cm. high; the box 7 cm. high x 21.5 cm. wide x 17 cm. deep
注意事项
Christie’s charges a premium to the buyer on the Hammer Price of each lot sold at the following rates: 29.75% of the Hammer Price of each lot up to and including €20,000, plus 23.8% of the Hammer Price between €20,001 and €800.000, plus 14.28% of any amount in excess of €800.000. Buyer’s premium is calculated on the basis of each lot individually.

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Sabine Dalmeijer
Sabine Dalmeijer

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拍品专文

Solar microscopes were invented around 1740, using the sun as their light-source, these microscopes projected their images on the wall, enabling scientists to view their observations in groups.

George Sterrop was trained in the instrument workshop owned by his mother, Mary Sterrop. He apprenticed to his mother in the Spectaclemakers' Company in 1730, and joined the firm as a partner in 1737 until 1747, when it was known as "Mary Sterrop & Son." He continued the instrument making business from 1747 until his dead in 1756.
A related microscope by Sterrop is in the collection of Museum of the History of Science, Oxford, inventory number 52737. https://emu.mhs.ox.ac.uk/Display.php?irn=7005&QueryPage=FAdvQuery.php A comparable solar microscope is in the collection of Boerhaave Museum, Leiden, inventory number V07445.
https://www.museumboerhaave.nl/AAcollection/nederlands/M06V05.html