 By slightly colouring the plate with the chloro-iodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second, even late in the afternoon. A yellow...  The Chemist - עמוד 5491846תצוגה מלאה - מידע על ספר זה
 | 1846 - 910 דפים
...bromide, proofs may be obtained in a fraction of a second, even jate in the afternoon. A yellow color should be given by the use of the first substance...the substance in a shallow pan, I give the plate ten seconds the whole of the first day of using the preparation, and add about three seconds for every... | |
 | William Newton - 1846 - 520 דפים
...coloring the plate with the chloroiodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second, even late in the afternoon. A yellow color should be given by the use of the first substance ; and the proper time over the bromide is readily... | |
 | William Newton, Charles Frederick Partington - 1846 - 518 דפים
...coloring the plate with the chloroiodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second, even late in the afternoon. A yellow color should be given by the use of the first substance ; and the proper time over the bromide is readily... | |
 | 1846 - 518 דפים
...coloring the plate with the chloroiodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second, even late in the afternoon. A yellow color should be given by the use of the first substance ; and the proper time over the bromide is readily... | |
 | 1847 - 676 דפים
...chloro-iodide, and then exposing it for a proper time over the bromide of lime, Mr. Bingham says that pictures may be obtained in a fraction of a second, even late in the afternoon ! The accelerating American mixture, prepared by Mr. Walcott, viz., chlorine combined with bromine,... | |
 | 1847 - 610 דפים
...chloroiodide, and then exposing it for a proper time over the bromide of lime, Mr. Binghani says that pictures may be obtained in a fraction of a second, even late in the afternoon ! The accelerating American mixture, prepared by Mr. Waleott, vii. chlorine combined with bromine,... | |
 | 1847 - 598 דפים
...chloro-iodide, and then exposing it for a proper time over the bromide of lime, Mr. Bingham says that pictures may be obtained in a fraction of a second, even late in Uie afternoon ! The accelerating American mixture, prepared by Mr. Waleott, viz., chlorine combined... | |
 | Encyclopaedia - 1851 - 276 דפים
...colouring the plate with the chloro-iodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second,...bromide is readily obtained by one or two trials. 1 With about a drachm of the substance in a shallow pan, I give the plate ten seconds the whole of... | |
 | Robert Hunt - 1852 - 324 דפים
...colouring the plate with the chloro-iodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second,...over the bromide is readily obtained by one or two trials.1 With about a drachm of the substance in a shallow pan, I give the plate ten seconds the whole... | |
 | Robert Hunt - 1852 - 378 דפים
...colouring the plate with the chloro-iodide, and then exposing it for a proper time over the bromide, proofs may be obtained in a fraction of a second,...over the bromide is readily obtained by one or two trials.1 With about a drachm of the substance in a shallow pan, I give the plate ten seconds the whole... | |
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