The sign painter's guide; by Gardiner James T

Author:Gardiner, James T. [from old catalog]
Language: eng
Format: epub, pdf
Tags: Sign painting
Publisher: Cincinnati, The author
Published: 1871-03-25T05:00:00+00:00

or other design upon uncolored glass and wish it to show off to better advantage by permitting the light to pass 011I3" through the letters, j'ou can do so by taking a piece of flat brass sufficiently large not to dip into the letters, but pass over them when gliding upon the surface of the glass; then with flour of emery, and keeping it wet, you can grind the whole surface very quickly, the letters having been eaten below the general surface, remaining perfectlj^ clear.

Wiiere a large quantity of glass is to be ornamented with the same design, stencil plates are used, by which the varnish is applied on those parts of the glass to be protected against the action of the acid. In this manner the large ornamental glass plates often used in offices, doors, <!fcc., are produced at a moderate price, which would be impossible if the figures were all drawn in detail by band labor.

ETCHING ON GLASS.

Druggist's bottles, bar tumblers, signs, and glass ware of every description can be lettered in beautiful style of art by simply giving the article to be engraved or etched a thin coat of etching varnish, and the application of fluoric acid. Before doing so, the glass must be thoroughly cleaned, and heated so that it can hardly be held. The varnish is then to be applied lightly over, and made smooth by dabbing it with a small ball of silk, filled with cotton. When dry and even, the lines may be traced on it by a sharp steel instrument cutting clear through the varnish to the glass. The varnish must be removed clean from each letter, otherwise it will be an imperfect job. When all is ready pour on or apply with a feather the fluoric acid, filling each letter. Let it remain until it etchess to the required depth, then wash off the water and remove the varnish.

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