Birds scale

Made:: 1745-1776 in London

maker:: John Bird

Birds scale, in mahogany case, engraved J. Bird, London. 27" long, divided in inches and tenths, reads by vernier to 1/1000 in, scale numbered to read from 25 to 50. Fine adjustment to slide.

Details

Category:: Weighing & Measuring

Object Number:: 1900-169

Materials:: complete, brass (copper, zinc alloy) and mahogany (wood)

type:: linear measure standard

credit:: Dr.W.T. Radford

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Parts

Birds scale

Birds scale, engraved J. Bird, London. 27" long, divided in inches and tenths, reads by vernier to 1/1000 in, scale numbered to read from 25 to 50. Fine adjustment to slide.

Materials:: complete , brass (copper, zinc alloy) and mahogany (wood)

Object Number:: 1900-169 Pt1

type:: linear measure standard

Mahogany case, for Birds scale

Mahogany case for Birds scale, engraved J. Bird, London. 27-inch long, divided in inches and tenths, reads by vernier to 1/1000 in, scale numbered to read from 25 to 50. Fine adjustment to slide.