Transactions of the Academy of Science of Saint LouisAcademy of Science of St. Louis, 1856 - Science "Celebration of the fiftieth anniversary of the first meeting," in v. 16 |
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Page 154
... negative , is shown in Fig . 6. In this figure the spark is delivered to the larger disk . In most of these cases the development has been ar- rested before the tracks of the visible sparks appeared on the negative . No discharge like ...
... negative , is shown in Fig . 6. In this figure the spark is delivered to the larger disk . In most of these cases the development has been ar- rested before the tracks of the visible sparks appeared on the negative . No discharge like ...
Page 212
... negative . Of course the same thing can be done in the ordinary negative process by so arranging the conditions that the time of exposure is sufficiently lengthened . In order to make the positive photography as useful as possible , it ...
... negative . Of course the same thing can be done in the ordinary negative process by so arranging the conditions that the time of exposure is sufficiently lengthened . In order to make the positive photography as useful as possible , it ...
Page 213
... negative . The roof of a building and the sides lighted by direct sunlight appear as in an ordinary negative . Light and dark strips of slate will appear reversed . The sky is dark . The sides in shadow are of a yellow or orange color ...
... negative . The roof of a building and the sides lighted by direct sunlight appear as in an ordinary negative . Light and dark strips of slate will appear reversed . The sky is dark . The sides in shadow are of a yellow or orange color ...
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Common terms and phrases
Académie des Sciences Academy of Science active membership Agaricocrinus angle aperture APPERTAINING TO HUMAN ball discharge Batocrinus beak brachial valve branches Burlington canaliculus Carboniferous Carlinville caruncle caudex Chonetes Chonopectus sandstone Chouteau Coll concave conjunctiva convex crown curve density developed Devonian diameter Dolatocrinus dorsal Edmondia excretory duct exposure fauna fossils gaseous genus Geological Gesellschaft GLANDS APPERTAINING glandular heat hinge-line HUMAN EYE illustrated Keokuk Kinderhook lacrymal sac length light limestone lines of growth lobules Louis lower eyelid mass Meibomian glands Michigan collection Missouri nearly nebula negative Nipher oblique outer palpebral pedicle pedicle valve plants plate Platycrinus posterior margin Prairie present pressure radiating radius Remarks rhizomes root rounded sebaceous glands shell side slope Société Society solar solar nebula species stars stems striae Surface marked tap-root temperature tion tissue track transverse type specimen umbonal ridge upper eyelid ventral margin Verein vertical volutions