Posts Tagged ‘Coleman Sellers’

POWER GENERATION — ENERGY PROJECTS Radical changes in the plans were necessary when it became evident that the proper course lay in the abandonment of Mr. Evershed’s scheme of a system of distributing canals leading to factory sites where independent water-wheels would be installed, and to substitute in place thereof a central power station where…

POWER GENERATION — ENERGY PROJECTS In 1889 Dr. Sellers was requested by Mr. Edward D. Adams, the well-known financier, of New York, to report on the practicability of generating electricity by water-power, and the electric transmission of power from Niagara Falls to Buffalo. This was in the interest of what afterward developed into the Niagara…

COLEMAN SELLERS THE PROFESSOR AND HIS MEMBERSHIPS Among other societies to which Dr. Sellers belongs may be mentioned the American Society of Civil Engineers, the Society of Naval Architects and Marine Engineers, the British Institution of Civil Engineers, and the British Institution of Mechanical Engineers, the Geneva Society of Arts, the Pennsylvania Historical Society, and…

A QUICK LEARNER AND CONSTANT CURIOSITY – STORIES ABOUT COLEMAN SELLERS FROM THE WRITER In his early manhood he amused himself and others at odd moments with feats of sleight-of-hand, in which he was quite as expert as many professional prestidigitators. Besides the entertainment of informal gatherings of friends, he turned this accomplishment to account…

PERSONAL INTEREST IN PHOTOGRAPHY From those early days of the art until the present time Dr. Sellers has kept in touch with the developments in photography, and has always had in his residence a well-equipped dark-room. About 1873 he delivered before the Franklin Institute three lectures on photography, in one of which he introduced the…

INVENTIONS AND INTEREST IN PHOTOGRAPHY The result, however, was quite successful in portraying such simple, repeated movements, as of a boy driving a nail or a lady sewing. The form of the device shown was its simplest shape; but Dr. Sellers also contemplated the use of an endless belt approximating more closely the modern highly…

INVENTIONS AND INTEREST IN PHOTOGRAPHY A photographic dark room was established as a regular adjunct of the draughting office of William Sellers & Co. , and special cameras and apparatus were devised, the apprentices taking turns in printing, developing, and mounting the photographs. His success in this special application of photography to his business led…

All of his work was characterised by originality, correct mechanical design, and unusual elegance of outline. His originality is amply attested by the long list of patents which bear his name, alone or associated with others. Among his best known early inventions may be mentioned the double-cone coupling for shafts [see above illustration], which was…