Ä¢¹½´«Ã½

Access rights only. This is a handout or public domain image supplied by a third party. Ä¢¹½´«Ã½ grants access to the digital file but provides no warranties regarding copyright or moral rights. Alteration, modification, or cropping is prohibited without prior approval. All commercial uses require advance authorization from the content provider.

This image could have imperfections as it’s either historical or reportage.

. Bulletin - United States National Museum. Science. "richer in experience than in worldly goods, '' and reluctant to discuss his adventures. From his youth, when he used a lathe to make toys for his friends, George had always been interested in the "mechanical arts." Once the firm was established this interest was pursued to the exclusion of almost all else. The Clarks never had a line of goods, but made most of their instruments to order. While some customers knew just what kind of in- struments they wanted, others had only rough ideas of the research they wished to follow. George, therefore, was frequently called upon to de- sign as well as to construct a variety of scientific apparatus. He worked indefatigably on each instrument, both in the shop and after delivery, until he was satisfied that it performed as well as possible. He apparently. Figure 8.—Charles Henry Cummings, painted by Alvan Clark. Courtesy Museum of Fine Arts, Boston, Massachusetts. 13. 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 work.. United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.