| 配方类型： |
PHOTOGRAPHY |
| 配方说明： |
Glycerin "Sandwich" for Photography |
| 配制方法： |
For enlarging a photo from a wet negative, make a glycerin "sandwich," using glass carriers. To do this, a little glycerin goes onn the center of one glass, then the wet negative, then a little more glycerin topped by the other glass. Air bells are removed by squeezing lightly. |
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