The Encyclopedia Americana: A Library of Universal Knowledge ...Encyclopedia Americana Corporation, 1924 |
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Zadetki 1–5 od 100
Stran 3
... carried in the hand by a handle , having a finder for locating the image to be photographed , a shutter adjustable for rapid or slow exposures , and a focusing device so arranged that the instrument can be used at a moment's notice ...
... carried in the hand by a handle , having a finder for locating the image to be photographed , a shutter adjustable for rapid or slow exposures , and a focusing device so arranged that the instrument can be used at a moment's notice ...
Stran 4
... carried on in a cold solution of potassium oxalate . - During recent years two modifications of the carbon printing process have come into pretty general use , especially among picto- rialists ; " gum - birchromate❞ and " ozotype ...
... carried on in a cold solution of potassium oxalate . - During recent years two modifications of the carbon printing process have come into pretty general use , especially among picto- rialists ; " gum - birchromate❞ and " ozotype ...
Stran 6
... carried back to the camera roof , a lever on the outside raises the horizontal smaller plate into the plate holder till the plate holder slide is pushed in . The three exposed plates are each marked to indicate their respective color ...
... carried back to the camera roof , a lever on the outside raises the horizontal smaller plate into the plate holder till the plate holder slide is pushed in . The three exposed plates are each marked to indicate their respective color ...
Stran 10
... carried out give results far more consistent as to intensity of light than have been attained with any other form of standard in which a flame is used , and it is this complete and accurate reproducibility which has caused the Hefner ...
... carried out give results far more consistent as to intensity of light than have been attained with any other form of standard in which a flame is used , and it is this complete and accurate reproducibility which has caused the Hefner ...
Stran 13
... carried on under the auspices of the National Electric Light Association . In this instrument which is known as Matthews ' inte- grating photometer 24 large mirrors are ar- ranged around the source , the mean spherical FIG . 9. - Curves ...
... carried on under the auspices of the National Electric Light Association . In this instrument which is known as Matthews ' inte- grating photometer 24 large mirrors are ar- ranged around the source , the mean spherical FIG . 9. - Curves ...
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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