Details
A collection of entomological and other microscope slides,
some prize medal examples by various amateur and professional makers, including C.M. Topping and Norman, contained in twelve trays, each with twelve slides, in simulated leatherette-covered case -- 8in. (20.3cm.) wide
some prize medal examples by various amateur and professional makers, including C.M. Topping and Norman, contained in twelve trays, each with twelve slides, in simulated leatherette-covered case -- 8in. (20.3cm.) wide