Keith Henney (1896–1990)
Autor von The radio engineering handbook
Über den Autor
Werke von Keith Henney
Electron Tubes in Industry 6 Exemplare
Electronic components handbook 4 Exemplare
Radio Engineering Handbook, 5th Edition 1 Exemplar
Nucleonics, December, 1947 Vol. 1, No. 4 1 Exemplar
Nucleonics, October, 1947 Vol. 1, No. 3 1 Exemplar
Nucleonics, October, 1947 Vol. 1, No. 2 1 Exemplar
Radiation Laboratory Series - Index 1 Exemplar
Radio Engineering Handbook - 5th Edition 1 Exemplar
Radio Engineering Handbook. Prepared by A Staff of 23 Specialists. Third Edition, 1941. (1941) 1 Exemplar
"Through Keeweenaw" 1 Exemplar
Nucleonics, January, 1948, Vol. 2, No. 1 1 Exemplar
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1938: "Color film can now be purchased for all the more popular sizes of roll film cameras. A single shot for a Leica, Bantam, Contax, Retina, or any of the 35mm. cameras will cost about 15 cents for Kodachrome and about 10 cents for Dufaycolor A 21/2 by 41/4 in. roll film shot costs about 30 cents. An 8 by 10 in. costs $3.50.
These prices will probably come down."
This was in a day when the minimum wage wage just being established, at 25¢/hour. The implication is that a 36-exposure roll of Kodachrome (processed) is in the ballpark of $5.40 - about three days' pay. (The equivalent today of roughly $5-per-slide, $150 for the entire roll.)… (mehr)