1867 Six Hundred Receipts by John Marquart

104 600 MISCELLANEOUS VALUABLE RECEIPTS.

tlie copperas kills the logwood, and so renders it un- fit for the next pieces. It is frequently the case that, instead of the first process of sumach-boiling, they collect the old sumach, and fustic, and logwood- liquor, that has no copperas or lime in it, into a large tub, and all the pieces that are spoiled in the other colours they throw^ into this tub, and let them lie a few days till they are ready to dye blacks, and this answers instead of the sumaching. For the foregoing cotton shades, the pieces are first taken and boiled in a wood or copper cistern, as circumstances may be, in order to take out the sizing, and prepare them to receive the dye. Take a fair white potato, cut it in very thin slices, pour on it boiling water, let stand till rather cool, take out the slices of potato, run your silk through this water, squeeze out, smooth while damp, and you will have a very superior gloss. It was tried on black silk, and it was found to answer well. If it should not answer on lighter colours, try the follow- ing one. If a quantity of silk, of course propor- tion your potatoes. No. 210. Anotjier way to put a Gloss on Silk. Instead of a potato, use a small quantity of isin- glass; dissolve in water. Use it the same as the above in every particular. 1 ounce of isinglass will answer for 1 pound of silk. No. 209. HoiD to 2^ut a fine Gloss on Silk.