(a) Take a piece of unbleached calico, strain upon a frame, and size it with weak size. When dry, take 1/4 oz. spirits of turpentine, 1 dr. camphor, dissolve in it 4 oz. cold-drawn linseed oil, 2 oz. white-lead, 2 oz. stiff ground umber, 4 oz. finely-washed and dried whiting. Mix all together; apply it to the calico, well rubbing it in; after the second coat, pumice to erase the lumps. Give the picture a coat, and pumice that; then coat both, and put them together upon a level board face down upon a piece of brown paper well sized. Well press, and rub the air out, so as to bring them in perfect contact, and in a few days it may be tacked upon a frame.

(6) Make a temporary stretcher, and let it measure inside a little larger than the outside of the picture about to be lined,and on it stretch some unbleached calico; trim the picture square, cutting off all the old and ragged edges. Oil a piece of paper the size of picture with linseed oil, and lay it on a flat surface; now lay the picture face downwards on the oiled painting: oil colours. 137 paper, and coat it with glue or paste until there is sufficient to make it stick well; then lay the unbleached calico on, rub well with the fiat of the hand, iron it with flat iron till quite dry, taking care to put a piece of paper between the calico and the iron, or it may stick. Be sure the iron is not too hot; and if it is a large picture, it will be as well to have two irons, one getting hot while the other is in use. When the picture is quite dry it is ready for putting on the new stretcher, which should be one with two cross-bars, and can be obtained at any artists' colourman's. If you cannot make some good stout paste yourself, you had better buy it at the leather seller's, add glue enough to make it a good strength, and let the two be well mixed together.