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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Schmidt cameras (named after their inventor, Bernard Schmidt, the German
optical worker) can be made at f/1 or slightly less, in sizes large enough to accept
the light beam from any available grating. In small sizes, semisolid cameras, ...
The light of an individual bacterium, of course, cannot be seen with the naked
eye, but the light from a liquid or agar culture containing billions of bacteria is
readily visible. The light is bluish and continuous. Although these bacteria are not
When the luciferin and luciferase of certain different species are mixed, a light-
emitting cross-reaction occurs. Reciprocal light-emitting cross-reactions exist
among apogonid fishes, the pempherid fish, Parapriacanthus ransonneti, the ...
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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