A FINE 'JUG-HANDLE' BLACK-ENAMELLED AND LACQUERED-BRASS COMPOUND MONOCULAR MICROSCOPE, Bausch & Lomb, No. 140487, with rack and pinion coarse and micrometer fine focusing, sub-stage Abbe condenser and plano-concave mirror, on continental-pattern stand, with accessories in case, marked "Pat. Jan 5, 1915"--13½in. (34.4cm.) high; a Spencer monocular microscope with triple nose-piece, mechanical stage sub-stage Abbe condenser and plano-concave mirror, the curved limb with trade mark, with accessories in case--13½in. (34.4cm.) high; and a similar microscope by the same maker, No. 15761, in case, marked "Spencer Lens Co. Buffalo, N.Y."--13½in. (34.4cm.) high (3)