. Bulletin. Science. FiGURE 3.—Eyepiece and tripod head of the Holcomb reflecting telescope shown in figure 2. {Smithsonian photo 11000) Figure 4.—Transit telescope (USNM 310599) made by Amasa Holcomb. The aperture is i )i inches, length 21 inches, and axis 14 inches. It lacks the original support. (Smithsonian photo ^•^^ys-c) lin Institute Vol. 14-p-169. The next year 1835 he took a larger telescope to Philadelphia, and offered it to the same committee for examination and com- parison with european telescopes. That Report may be found in the Journal of the Franklin Institute Vol 16 p. 11. The


. Bulletin. Science. FiGURE 3.—Eyepiece and tripod head of the Holcomb reflecting telescope shown in figure 2. {Smithsonian photo 11000) Figure 4.—Transit telescope (USNM 310599) made by Amasa Holcomb. The aperture is i )i inches, length 21 inches, and axis 14 inches. It lacks the original support. (Smithsonian photo ^•^^ys-c) lin Institute Vol. 14-p-169. The next year 1835 he took a larger telescope to Philadelphia, and offered it to the same committee for examination and com- parison with european telescopes. That Report may be found in the Journal of the Franklin Institute Vol 16 p. 11. The next year 1836 he presented a Telescope 14 feet long to the same committee Their report may be found in the Journal of the Franklin Institute Vol. 18-p 312. These Reports furnish the best information in regard to the performance of these telescopes. The committee gave them a high character, and they were sold in almost every state in the Union. One went to Seramp in the East indies, and one to one of the Sandwich islands in the Pacific ocean. While he was pursuing his labors as Engineer, and manufacturing Telescopes, and other instruments, in 1839 the news reached this country from Paris, of Daguerres great discovery of taking pictures on siher plates by solar light. PAPER 26: THREE 19TH-CENTURY AMERICAN TELESCOPE MAKERS 163. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off


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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience