Word: lightnesses
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Dates: during 1920-1929
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Bell Telephone's Dr. Herbert Eugene Ives, 47, disclosed last week his progress with colored television. He has spent his life on photography, photoengraving, light, colors, sending pictures by electricity and, lately, television. He had a direct technical antecedent. His father, Frederic Eugene Ives, 73, invented a process of colored photography and the halftone process of photoengraving...
Colored television has become possible because Dr. Ives's colleagues at Bell Telephone laboratories invented a photo-electric cell more sensitive to light than the usual cell. The usual cell depends on the ionic action of potassium and hydrogen. The new cell uses sodium with sulphur vapor and oxygen...
...cells. A filter or "mash" of orange-red gelatin allows only reddish colors to affect certain cells. A yellow-green filter controls other cells, and a greenish-blue filter controls the balance. Three separate electrical transmission channels must be used. A red gelatin filter makes the bright red neon light the same shade as the receiving cell registered. The yellow-green-sensitized waves go to an argon lamp which glows through a green filter. The greenish-blue-sensitized waves affect another argon lamp with, in this case, a blue filter. Mirrors focus the fluctuating glows of all three receiving lamps...
Stone & Webster, Inc., has built power stations representing 10% of the total central station capacity of the U. S., supplying 20 million U. S. inhabitants with light and power. It has also built many an office building, factory, hotel, and the present Massachusetts Institute of Technology building in Cambridge. Directorate of the new company will include Joseph P. Grace, Board Chairman of W. R. Grace & Co. ; Albert H. Wiggin, Board Chairman of Chase National Bank; Herbert L. Pratt, Board Chairman of Standard Oil of New York...
Then he hired Stone & Webster to look over the properties acquired and report on their position and prospects. When Stone & Webster had completed their survey, Mr. Morgan offered them the Cumberland Light & Power Co. for the bargain price of $60,000. Borrowing the money, the partners bought the company, sold it some years later for $500,000. It was the profit on this operation that established Stone & Webster as a company of national scope...