Orrery patented 1897 (No.578,108 USA) and 1910 (No.958,139 USA) by Alexander Laing and manufactured by Laing Planetarium Company, Detroit, Michigan. Orrery planetary model by the Laing Planetarium Company, 1910-1920 1910-1920
2 close up lenses for Argus 35mm camera, approximately 1 diopter in metal mount for 23mm lens mounts. International Research Corporation. Argus portrait and copying lens
35mm camera 24 x 36mm. Fitted with a F.4.5-18 anastigmat lens in spring loaded telescopic mount with two position location for infinity and 6-18 feet. Everset shutter 225/50/100/200/B/T. Fitted with a direct vision optical finder (front lens is missing built in extinction meter, 6 densities with sliding pointer. Calibrated in Weston speeds, automatic frame counter. No 62095. International Research Corporation. Argus Model A2 1939
A black and white photograph entitled 'Sterling Heights, Michigan' taken by Arthur Grace, on 13 September 1988. From the Impressions Gallery exhibition 'Politicians', 16 January - 13 March 1993. Sterling Heights, Michigan 1988-09-13
Instruction poster 'How To Use Battle Creek Health Builder', illustrating a chart of different exercise options depending on the symptoms, 1925-1935. Instruction poster, 'How To Use Battle Creek Health Builder' 1925-1935
Electro-Voice 643 Cardaline shotgun microphone, manufactured by Electro-Voice Inc, about 1963. Electro-Voice 643 Cardaline Shotgun Microphone circa 1960
Battle Creek Health Builder, Oscillo-Manipulator type MS-4, by the Sanatarium Equipment Co., Michigan, US, 1925-1935 'Battle Creek Health Builder', exercise machine, Michigan, United States, 1925-1935 1925-1935
Magnetic Data Storage Drum by Bryant model 10384, 1964. (two examples) Magnetic Data Storage Drum by Bryant model 10384 1964
Ford 22 h.p. model T motor car engine c.1920, sectioned, on metal stand. Ford 22 h.p. model-T motor car engine, sectioned, mounted on stand 1915-1925