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BECKER, EARLY 20TH CENTURY
Details
AN ENGLISH GONIOMETER
BECKER, EARLY 20TH CENTURY
the Wollaston-type goniometer signed on the telescope BECKER LONDON, the vertical circle divided to 0.5° with vernier scale, articulated specimen holder, supported on cast iron stand on fitted wooden base with carrying box
12in. (30cm.) wide
BECKER, EARLY 20TH CENTURY
the Wollaston-type goniometer signed on the telescope BECKER LONDON, the vertical circle divided to 0.5° with vernier scale, articulated specimen holder, supported on cast iron stand on fitted wooden base with carrying box
12in. (30cm.) wide
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