... forms no precipitate upon them. It also hardens the gelatine to such a degree that the negatives can be washed in warm water, provided they have been left in the bath a sufficient time. The plate should be allowed to remain in the bath five to ten... The American Amateur Photographer - Стр. 1851890Полный просмотр - Подробнее о книге
| Octave Thanet - 1893 - Страниц: 270
...have been left in the bath a sufficient time. The plate should be allowed to remain in the bath five to ten minutes after the bromide of silver appears...the bath becomes weakened by constant use, it should be replaced by a fresh solution. CARBUTT'S NEW ACID FIXING AND CLEARING BATH. Hyposulphite of sodium... | |
| 1896 - Страниц: 494
...have been left in the bath a sufficient time. The plate should be allowed to remain in the bath five to ten minutes after the bromide of silver appears...freedom from stain as well as the hardening of the film depend upon this. SEED. No. i. Water 96 ounces. Sodium hyposulphite 2 pounds. Sodium sulphite (crystals)... | |
| 1901 - Страниц: 548
...hardens them to such a degree that they can be washed in warm water. They should be left in the bath five to ten minutes after the bromide of silver appears to have been dissolved, to insure permanency, freedom from stain, and perfect hardening. Tf the bath becomes exhausted by continued... | |
| 1906 - Страниц: 940
...allowed to remain in the bath five to ten minutes after the "whiteness" has disappeared from the plate. The permanency of the negative and freedom from stain,...well as the hardening of the film, depends upon this. As some workers strongly object to the presence of any kind of alum in the acid fixing bath, I give,... | |
| 1906 - Страниц: 624
...five to ten minutes after the "whiteness" has disappeared from the plate. The permanency of the slide and freedom from stain, as well as the hardening of the film, depend upon this. Plenty of yellow light should be used when developing so as to be able to judge the... | |
| 1890 - Страниц: 874
...have been left in the bath a sufficient time. The plate should be allowed to remain in the bath five to ten minutes after the bromide of silver appears...the bath becomes weakened by constant use it should be replaced by a fresh solution. If the development was in harmony with the exposure, the negative... | |
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