Wilsons Photographics a Series of Lessons Accompanied By Notes On All the Pr
Wilsons Photographics a Series of Lessons Accompanied By Notes On All the Pr
Edward Livingston Wilson
The book Wilsons Photographics a Series of Lessons Accompanied By Notes On All the Pr was written by author Edward Livingston Wilson Here you can read free online of Wilsons Photographics a Series of Lessons Accompanied By Notes On All the Pr book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Wilsons Photographics a Series of Lessons Accompanied By Notes On All the Pr a good or bad book?
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The following, if not one of the u wrinkles, " is one way to avoid them. In making prints from large plates, the printer is often troubled by wrinkles or cockles in the middle of the sheet which no amount of padding or pressure in the frame will bring in contact with the negatives. To remedy this, after silvering, and before the paper is thoroughly dry, fasten the sheet by the corners to the fuming-frarnes, or locking these to a large board or anything that will keep it out straight, and allow ...it to get as dry as usual. Then give the middle of the sheet an extra dry over a lamp or gas-stove, and the paper, instead of bagging in the centre, will have all its wrinkles near the outside, and, when printing, will be found to lie against the negative "as close as a cat to a hot brick. " J. L. GIHON. Observe that the expansion and contraction are not equally proportioned to all dimensions of the head, both being much greater in proportion to the breadth of the face than to its length, so that either print is distorted, which in the case of an equal mobility of the parts of the paper would not be ; the paper contracts and expands nearly three times as much across the narrow way of the sheet as in its length.
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