Details
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)
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)