Details
A brass-framed computing scale,
by W. & T. Avery Limited, the beam graduated for drams per square yard, grains, actual weight of sample piece, and grams per square metre, with reference card, in glazed mahogany case with sliding front -- 18.1/2in. (47cm.) wide
See Illustration
by W. & T. Avery Limited, the beam graduated for drams per square yard, grains, actual weight of sample piece, and grams per square metre, with reference card, in glazed mahogany case with sliding front -- 18.1/2in. (47cm.) wide
See Illustration