alumed

After development, the proof, being dry, is brushed over with alumed gelatine moderately warm, dried, immersed in tepid water until the gelatine is softened and tacky, when it is placed on the material and squeezed into contact.

Photographic Reproduction Processes

It simply consists of a solution of gelatine chrome-alumed, as follows:

Scientific American Supplement, No. 401, September 8, 1883

After developing the proof is coated with alumed gelatine, and when dry transferred as usual.

Photographic Reproduction Processes

_ -- Pigskin is a thoroughly good leather naturally, and very strong, especially the alumed skins; but many of the dyed pigskins are found to be improperly tanned and dyed, and worthless for bookbinding.

Bookbinding, and the Care of Books A handbook for Amateurs, Bookbinders & Librarians

To imitate poppy or fire colour, the filk muft have an annotta ground; even deeper than when it is to be dyed with carthamus: after which it is walhed, alumed, and dyed with the brafil-juice, to which a little foap-fuds is commonly added.

Elements of the Art of Dyeing

For all the light ihades except fea« green, it is thought heft to give the yellow by baths which have been already ufed, but which contain no logwood or fuftic; becaufe filk when completely alumed take the colour loo quickly in frefh baths, and is then fubjeQ; to be dyed unequally.

Elements of the Art of Dyeing

In dyeing cotton yellow, we begin by feour - ing it in a bath prepared wkh the ley of the afhes of green wood; it is then waflicd, dried, and alumed with one fourth of ks weight of alum; after twenty-four hours it is taken out of the aluming, and dried without being waihed.

Elements of the Art of Dyeing

a sheet of paper coated with alumed (insoluble) gelatine are immersed face to face in cold water, and when the tissue is softened both are removed, one superposed on the other, and the whole, being placed on a glass plate and covered with a thin oil cloth, is firmly pressed into contact with the squeegee.

Photographic Reproduction Processes

a solution of alumed gelatine, which is allowed to penetrate into the pores of the wood and the excess scraped off when solidified, when the surface may be whitened, if necessary, as for printing on wood box, q.v. Opals, porcelain, or ivory should be prepared with the following substratum:

Photographic Reproduction Processes

When the cotton is again dry, it is dipped in a ley at five degrees, arid this concludes the dips: after being dried, it is waflied, galled, and alumed, with the fame proportions and attention to the fame circumftances as in ar - ticles 9, 10, and 11: the cotton has now re - ceived all the preparations neceffary for taking the dye, and ought to be of the colour of the bark of a tree.

Elements of the Art of Dyeing