A GROUP OF THREE VICTORIAN SCIENTIFIC INSTRUMENTS BY POTTER POULTRY, ELLIOTT BROS AND H. HUGHES, LONDON (3)

Circa 1880
Comprising a brass three-arm proportional divider by Potter Poultry with rotating vernier scale, in blue velvet-lined mahogany case; a station pointer by Elliott Bros, Strand London, with nickel silver scale and central ring handle, in green baize-lined case; and a brass circular proportional divider by H. Hughes, London, with dual vernier scales, in fitted green felt-lined mahogany case, longest 44cm