three replacement glasses for surveying or other instruments
Date: 20th century
Inventory Number: 2006-1-0058
Classification: Instrument Component
Subject:
Maker: American ?
Cultural Region:
Dimensions:
glass: 3.2 × 28 × 18 cm (1 1/4 × 11 × 7 1/16 in.)
blue board box: 5.7 × 19.2 × 19.1 cm (2 1/4 × 7 9/16 × 7 1/2 in.)
Material:
Description:
Three large glass discs of same diameter. Two are approximately the same height; the third is taller. The glasses may belong to a compass or other surveying instrument.
Signedunsigned
Curatorial RemarksCame from box of compass cards (2006-1-0057).
