1890 Article Pyrogravure Fire Engraving Tools M. Manuel Perier Vintage MAB1 XET8 This is an original 1935

This is an original 1935 halftone print of a monkey in Africa

July exhibit

Revolving Airplane Beacon

Keywords specific to this image: writing utensil Vintage Advertising

" Shown in the illustration is the Chateau of the commune

1890 Article Pyrogravure Fire Engraving Tools M. Manuel Perier Vintage MAB1 XET8 This is an original 1935This is an original 1890 one page and a half (1 page, double sided) article about the Pyro engraving tools, made by M. Manuel Perier, a Frenchman. Mr. Perier began his experiments with small soldering irons heated by gas, and afterwards substituted for these a platinum wire kept incandescent for these a platinum wire kept incandescent with the aid of the electric current. The system of thermo cautery devised by Dr. Paquelin gave M. Perier the clue to