Details
A Dr. Nord's Skotograph
copy-holder, of mahogany with lacquered brass fittings, line-indicator operated by key (originally crank) via chains and sprockets, movable stops and line-spacing selector, hinged on base with (Dutch) instructions and coloured reference illustration -- 15 x 11½in. (38 x 29cm.)
copy-holder, of mahogany with lacquered brass fittings, line-indicator operated by key (originally crank) via chains and sprockets, movable stops and line-spacing selector, hinged on base with (Dutch) instructions and coloured reference illustration -- 15 x 11½in. (38 x 29cm.)