The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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The photoelectric effect is the basis of operation of such devices as the television
camera, photographic light meters, image in- tensifiers for telescopes, cells for
the conversion of solar energy, and detectors for all kinds of spectrometry.
Photoconductors show a number of secondary effects, a few of which may be
mentioned here. ... The photovoltaic effect consists in the generation of an
electromotive force as a consequence of the absorption of radiation; that is to say,
By the end of the 18th century, in England, Joseph Priestley had noted that no
electric effect was exhibited inside an electrified hollow metal container and had
brilliantly inferred from this similarity that the inverse- square law (of gravity) must
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review