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Certain types of traps have become more or less standard items of stage
equipment . The corner trap , for example , is a small , square opening , usually
located at the side of the stage , fitted with a trapdoor or flaps that can be lowered
out of ...
Pitchblende , however , occurs as a primary mineral in certain pegmatites and as
a hydrothermal vein mineral usually in association with cobalt - nickel - bismuth
arsenides ; classic localities for this mineral include Joachimstal ( now Jáchymov
They are usually amphivasal . In grasses and related plants , the bundles are
closed , mostly amphivasal or collateral , and scattered through the stem , so that
pith , cortex , and medullary rays are indistinguishable . Growth may be so rapid ...
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LibraryThing ReviewUser Review - keylawk - LibraryThing
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