central parts, which may be at the same time embossed withthe name, address, etc., of the druggist, and the name andquantity of the medicament contained therein. A numberof concave stamped wafers are first placed on a series of con-caved disks, 6, of the same size and shape, so as to fitexactly…
Patents · Improved · Asbestos · Consists · Potassa · Iron · Scientific American · Colored · Copy scientific · Beet root · Cast Iron · Pattern making · Pattern maker · Magnetic engine · Cubic inches · Patent office · Absorption bands
Internet Archive · Public Domain Mark 1.0. Free to use for anything.