Sold for:
$207

Brass Graphometer, unmarked, the 3 in. radius half circle divided 0-180 degrees in two complimentary scales, the alidade with two verniers marked 0-30 minutes, mounted sighting vanes and recessed compass with printed paper card and steel pointer, ht. 7 1/2 in.


Skinner

Auctioneer:
Skinner

Date:
2010-05-01

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