Palmer's Improved Portable Oxy-Hydrogen Apparatus and Microscope with Prepared Objects, Complete
- 1840
Figure 274 depicts the Improved Portable Oxy-Hydrogen Apparatus and Microscope. The projection microscope, offered by Edward Palmer (1803-1872), magnifies "from ten thousand to two million times" and projects various objects by burning hydrogen gas in the presence of pure oxygen to produce an intense light.
At the top of the page, Figures 272 and 273 depict two other catalog items, Coddington's Spherical Lens (left) and Small Magnifying Glasses (right).
Illustrations are part of Palmer's New Catalogue by Edward Palmer (1803-1872), regarded as the earliest, freely-accessible sales catalog of commercially available chemicals and scientific apparatus. The catalog provides insight into the costs and considerations of equipping laboratories during the early Victorian period. Featuring 292 engraved figures, the catalog is digitized in its entirety.
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Cite as
Palmer, Edward. “Palmer's Improved Portable Oxy-Hydrogen Apparatus and Microscope with Prepared Objects, Complete.” In Palmer's New Catalogue, with Three Hundred Engravings of Apparatus, Illustrative of Chemistry, Pneumatics, Frictional and Voltaic Electricity, Electro Magnetism, Optics, &c. London, England: William Gilbert, 1840. https://digital.sciencehistory.org/works/mgnzgo2.
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