The Encyclopedia Americana: A Library of Universal Knowledge ...Encyclopedia Americana Corporation, 1924 |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran 7
... consisting of a telescope mounted for photography on an equatorial stand and moved by suitable clockwork . PHOTO ... consists of a screen of thin paper moistened with a solution of spermaceti in turpentine , except a spot in the ...
... consisting of a telescope mounted for photography on an equatorial stand and moved by suitable clockwork . PHOTO ... consists of a screen of thin paper moistened with a solution of spermaceti in turpentine , except a spot in the ...
Stran 9
... consists of two precisely similar mirrors M , M ' , mounted facing each other within a dark box not shown in the diagram . The diffusely reflected rays from the screen reach these mirrors at an angle of 45 ° and are reflected as shown ...
... consists of two precisely similar mirrors M , M ' , mounted facing each other within a dark box not shown in the diagram . The diffusely reflected rays from the screen reach these mirrors at an angle of 45 ° and are reflected as shown ...
Stran 10
... consists largely of pentane with a small proportion of other closely allied hydrocarbons . The liquid is highly volatile and in the Harcourt lamp the vapor is ignited at the end of a metal tube extending about two inches above the wick ...
... consists largely of pentane with a small proportion of other closely allied hydrocarbons . The liquid is highly volatile and in the Harcourt lamp the vapor is ignited at the end of a metal tube extending about two inches above the wick ...
Stran 11
... consists of a lens throwing a magnified image of the tip of the flame upon a disc of ground glass , is mounted with its axis 40 millimeters above the top of the wick - tube as shown in Fig . 8. The character of the wick does not affect ...
... consists of a lens throwing a magnified image of the tip of the flame upon a disc of ground glass , is mounted with its axis 40 millimeters above the top of the wick - tube as shown in Fig . 8. The character of the wick does not affect ...
Stran 17
... consists in the formation of starch and other related compounds , from carbon dioxide and water , in the green leaves of plants . Light cannot produce chemical changes un- less it is absorbed . This rather evident fact was first ...
... consists in the formation of starch and other related compounds , from carbon dioxide and water , in the green leaves of plants . Light cannot produce chemical changes un- less it is absorbed . This rather evident fact was first ...
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algæ American animals Asexual reproduction became called carpels cause cells century chief chlorophyll Church coast color consists Consult crystal disease early elected endosperm England English epidermis feet filaments flowers France French fruit fungi gametes gametophyte genus Greek important inches Indian insects island known land large number later leaves light London manufacture ment miles mountain North oogone organ parasites Paris phloem phylum physical physiology pine pipes pistil Pittsburgh plane plants plate platinum poetry Poland polarized Polish political pollen Pompeii Port Port Royal Portland Porto Rico produced Railroad rays River Roman root Russia Saint seeds sepals sexual reproduction soil South species spores sporophyte square miles stamens stems surface tain tion tissues town trees tube United University usually various vegetation vols xylem York zoospores