The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 89
... scale at an approximately uniform rate . bulbs , connected by a narrow neck , that contain a certain amount of sand ... scales were marked on the side of the candle or on the glass oil reservoir . The shortening of the candle or the fall ...
... scale at an approximately uniform rate . bulbs , connected by a narrow neck , that contain a certain amount of sand ... scales were marked on the side of the candle or on the glass oil reservoir . The shortening of the candle or the fall ...
Page 313
... scales of red , yel- low , and blue , each marked with a number of units on the corresponding scale , so that sam- ples may be matched and specified by light coming through a combination of glasses . The Ostwald system describes colors ...
... scales of red , yel- low , and blue , each marked with a number of units on the corresponding scale , so that sam- ples may be matched and specified by light coming through a combination of glasses . The Ostwald system describes colors ...
Page 580
... scales ( microsporophylls ) borne on a central axis . Each scale bears at its base two pollen cases ( microsporangia ) con- taining pollen grains in great numbers . The conspicuous cones are the female , seed- producing ones . Their ...
... scales ( microsporophylls ) borne on a central axis . Each scale bears at its base two pollen cases ( microsporangia ) con- taining pollen grains in great numbers . The conspicuous cones are the female , seed- producing ones . Their ...
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