Swift Instruments Collegiate 400 Microscope a Specific Gravity Balance and a Group

Swift Instruments Collegiate 400 Microscope, a Specific Gravity Balance and a Group of Components, the iron frame with coarse and fine adjustment on limb, revolving nosepiece with three objective lenses, circular stage with condenser and electrical illumination and single tube and eyepiece, ht. 15 1/2 in., the Specific Gravity Balance by Henry Troemner in a hinged box with label on the underside of the lid, the group of components including eyepieces and a Bausch and Lomb light source for microscopes.