Original industrial trade vintage catalog for McLEOD & HENRY COMPANY, main office was located in Troy, NY. Manufacturers of steel mixture for boiler settings. Door arches, fire-box blocks and combustion chamber. Installed in thousands of power plants. Disbound from a large 1916 industrial catalog, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial boiler equipment library. Page is detached and may contain a small amount of residual glue on edge.