A practical workshop companion for tin, sheet iron and copper plate workers by Blinn Leroy J

Author:Blinn, Leroy J
Language: eng
Format: epub, pdf
Tags: Metal work
Publisher: Philadelphia, Baird
Published: 1865-03-25T05:00:00+00:00

CEMENT TARNISH FOR WATER-TIGHT LUTINO.

White turpentine fourteen parts, shellac eighteen parts, resin six parts, digest with alcohol eighty parts.

THE VARNISH OF WATIN FOR GILDED ARTICLES.

Gum-lac, in grain, 125 parts; gamboge, 125; dragon's blood, 125 ; annotto, 125 ; saffron, 32. Each resin must be dissolved in 1000 parts by measure, of alcohol of 90 per cent; two separate tinctures must be made with the dragon's blood and annotto, in 1000 parts of such alcohol; and a proper proportion of each should be added to the varnish, according to the shade of golden color wanted.

CHEAP OAK VARNISH.

Clear pale resin three and one-half pounds, oil of turpentine one gallon; dissolve. It may be colored darker by adding a little fine lampblack.

VARNISH FOR WOOD-WORK.

Powdered gum sandaiwch eight parts, gum mastic two parts, seed-lac eight parts, and digest in a warm place for some days with alcohol twenty-four parts, and finally, dilute with sufficient alcohol to the required consistence.

DARK VARNISH FOR LIGHT WOOD-WORK.

Pound up and digest shellac sixteen parts, gum sandarach thirty-two parts, gum mastic (juniper eight parts, gumelemi eight parts, dragon's blood four parts, annotto one part, with white turpentine sixteen parts, and alcohol two hundred and fifty-six. Dilute with alcohol if required.

VARNISH FOR INSTRUMENTS.

Digest seed-lac one part, with alcohol seven parts, and filter.

VARNISH FOR THF WOOD TOTS OF SPA.

Tender capal, 75 parts; mastic, 12.5; Venice turpentine, 6.5; alcohol, of 95 per cent, 100parts by measure; water ounces, for example, if the other parts be taken in ounces. The alcohol must be first made to act upon the copal, with the aid of a little oil of lavender or camphor, if thought fit; and the solution being passed through a linen rloth, the mastic must be intoduced. After it is dissolved, the Venice turpentine, previously melted in a water-bath, should be.added ; the lower the temperature at which these operations are carried on, the more beautiful will the varnish be.^ This varnish ought to be very white, very drying, and capable of being smoothed with pumice-stone and polished.

VARNISHES FOR FURNITURE.

The simplest, and perhaps the best, is the solution of shellac only, but many add gums sandarach, mastic, copal, arabic, bon- ,

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