Lot 31
31
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS
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A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS
5 More
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS

AFTER THE 16TH AND 17TH CENTURY ORIGINALS

Details
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS
AFTER THE 16TH AND 17TH CENTURY ORIGINALS
The group comprising: a 70mm. diameter gilt brass nocturnal with later engraved signature Christoph Treschler 1603; a 93 x 64mm. gilt copper horizontal dial with later punched signature VS 1576 [Ulrich Schniep]; a 113 x 113mm. gilt copper horizontal dial with later engraved signature OHP AVCTOR 1547 [Ottheinrich Herzog Von der Pfalz]; a 165 x 67m. gilt copper hour conversion table with later engraved monogram AD and punched date 1623; an unsigned 52mm brass altitude dial.
6 ½in. (16.5cm.) the widest
Provenance
Probably Philip Joseph van Alfen (1894-1969)

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Lot Essay

Almost certainly related to the "Mensing Instruments" of the previous lot; three are made of gilt copper and engraved or punched in a similar style. Webster records the OHP dial as being from the van Alfen collection in 1969. The hour conversion table is a copy of one by Habermel, the AD perhaps being a spurious monogram for Albrecht Durer. The nocturnal with Treschler signature is unusual for a "Mensing" in that it is gilt brass and not copper, but the piece being engraved rather than punched (as would be expected for a Treschler) could be suggestive of being of similar provenance. The brass altitude dial has the feel of being by a different and unknown hand.

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