Barretter lamp for infrared sprectrophotometer, Perkin-Elmer model 12c, United States, 1944-1950 1944-1950
Device for igniting flash-powder, with gunpowder caps. Periscope mark 1X 1918, made by R. & J. Beck Limited, patent no. 14234. Device for Igniting Flash-Powder circa 1918
White cardboard box, according to handwritten inscription containing ‘old globars’, from infrared spectrophotometer, Perkin-Elmer model 12c, Connecticut, United States, 1944-1950 'Old globars' for infrared sprectrophotometer, Perkin-Elmer model 12c, United States, 1944-1950 1944-1950