An interesting collection of brass, ivory, boxwood, steel and ebony scale rules, slide rules, squares, dividers, protractors and other drawing instruments,
by J.B. Gardiner, Bristol and other makers, mounted on a display board with glazed cover -- 68 x 31in. (173.3 x 78.7cm.) (A lot)
An interesting collection of brass, ivory, boxwood, steel and ebony scale rules, slide rules, squares, dividers, protractors and other drawing instruments,
by J.B. Gardiner, Bristol and other makers, mounted on a display board with glazed cover -- 68 x 31in. (173.3 x 78.7cm.) (A lot)
