The Gum on Stamps.
Reading edition
The gum on the back of the postage-stamps of the United States is made from alcohol one part, acetic acid one part, dextrine two parts, and water five parts.
A. S. H. Peabody, Mass.
Reading edition
The gum on the back of the postage-stamps of the United States is made from alcohol one part, acetic acid one part, dextrine two parts, and water five parts.
A. S. H. Peabody, Mass.