Gregorian type reflection telescope made of brass and bronze - Lot 216

Lot n° 216
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Estimation :
1600 - 1800 EUR
Gregorian type reflection telescope made of brass and bronze - Lot 216
Gregorian type reflection telescope made of brass and bronze. Adjustment of the small mirror by lateral micrometric screw, red morocco body. Folding tripod stand. Mahogany carrying case. Signed B.E van der BILDT Amsterdam on the rim of the eyepiece. Holland, 18th century. Body length 37 cm BP Bauke Eisma van der Bildt (1753-1831) was the apprentice of his grandfather Jan van der Bildt the Elder. Between 1786 and 1806 he declared himself an instrument maker in Buiksloot, a suburb of Amsterdam. In 1806 he returned to Franeker, becoming responsible for the collection of scientific instruments at the City University.
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