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An insoluble material prepared by mixing Animal glue with Ammonium dichromate, Potassium dichromate, or Chrome alum. It was used as a glass cement and as a waterproofing agent in the early 20th century.
Resources and Citations
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982