Figure 149. Hand Spiral consisting of two glass tubes with brass caps, the interior one being covered in a spiral form with spangles of tin foil, showing, when presented to an excited conductor, a continuous stream of electrical light.
Figure 150. Set of Five Spirals on a mahogany pedestal, with insulated revolving balls in the center, which in their revolution communicate electricity to each of the spirals, producing a beautiful succession of spiral lines of light.
Figure 151. Electrical Star formed of spangles of tin foil on a flat glass.
Figure 152. Electrical Orrery representing the motions of the sun, earth, and moon.
Figure 153. Luminous Words in Frame on colored glass.
Figure 154. Painted Glass Pane on stand, in different colors, with devices of tin foil for showing the electric light
Figure 155. Electrical Swan by placing which upon the surface of a basin of electrified water, it may be attracted to any part by presenting the finger to it.
Figure 156. Jointed Dischargers with insulated glass hangles, for discharging electrical jars, batteries, &c.
Figure 157. Electrical Batteries
These 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.
|Place of publication|
|Original file type||TIFF|
|Rights||Public Domain Mark 1.0|
|View in library catalog|
Palmer, Edward. “Figures 149-157. Plate Electrical Machines.” 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/gyp7xpc.
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