I came across a section from a text from 1923 which describes a process of glue chipping areas of plate glass that have been acid embossed.
See section 76- half way through the paragraph describes a method of using an asphaltum resist and acid embossing to prepare glass for glue chipping.
I was under the impression that the only glass that will successfully chip with animal hide glue is first treated by marring the surface with sandblasting, dropping sand from a great height using a hopper, scuffing with emery powder/emery board, or etched with a diamond scribe.
This begs the question- has anyone tried it? Does it work? Will white acid also work? It seems like this would be a much faster process than sandblasting glass and possibly produce a more brilliant chip. Or is this a case of a misinformed author that has been misled to protect trade secrets?
Either way- I think it’s interesting and deserved some attention and thoughts.
This is from an ICS booklet called “Painting and Gilding” by E.L. Koller.
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This is an interactive Bulletin Board on the topics of Sign making, design, fabrication, History, old Books and of coarse Letterheads, Keepers of the craft. The Hand Lettering Forum features links to resources, sign art history, techniques, and artists profiles. Learn more about Letterheads at https://theletterheads.com. Below you'll see Mchat has been added as a live communication portal for trial, and the Main forum Links are listed below.
Glue chipping acid embossed glass
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