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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A third type of artificial lift forces some of the produced oil down the well at high
pressure to operate a pump at the bottom of the well. Even though an oilfield may
have enough pressure to produce naturally at first, artificial lift will usually be ...
In maceration, the drug, suitably prepared, is placed, together with the extracting
solvent (known as the menstruum), in a closed vessel and left for a defined
period, usually three to seven days, with occasional shaking. The product is then
ORDER POALES Anemophilous (wind-pollinated) herbs, rarely woody or of giant
structure, with jointed, cylindrical, usually hollow stems; leaves 2-ranked (
distichous), alternate, each composed of a sheathing base, a ligule, and a
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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