b'113Cameras, Optical & Photographic Equipment1175 1183F. DAVIDSON & CO.: Davon Micro- Drum-style brass microscope, 21.5cm Telescope brass combinationat highest setting, in wooden box with microscope/telescope apparatus,three additional aperture elements.19th century, with four original$100150instruction booklets/pamphlets.$1502501184Drum-style brass microscope, 23.5cm 1176 at highest setting, in wooden box.LEITZ: 19th century brass microscope$100150 [#189310], 39.5cm at highest setting.$3004501185Drum-style brass microscope, 19.5cm 1177 at highest setting, in wooden box.LEITZ: Early 20th century steel$100150 microscope [#330984], 39.5cm at highest setting. 1186$300450Drum-style brass microscope, 19cm 1178 at highest setting, in wooden box.$100150 PICKARD, CURRY & CO.: 19th-century brass and steel microscope, 34.5cm at1187highest setting, in timber box with three additional optical elements. Drum-style brass microscope, 17.5cm $300450at highest setting, in wooden box.$100150 117919th-century brass and steel1188microscope, 21cm at highest setting,Drum-style brass microscope,1179in timber box. 19cm at highest setting, in $150200 wooden box with tweezers.$100150118019th-century brass and steel microscope, 21.5cm at highest setting, in timber box with tweezers.$150200 118119th-century brass and steel microscope with orange and green painted base, 20cm at highest setting, in timber box with tweezers.$150200 118219th-century brass and steel microscope, 22cm at highest setting, in timber box.$150200 1188 1183'