1890 Article Pyrogravure Fire Engraving Tools M. Manuel Perier Vintage MAB1 XET8 Revolving Airplane Beacon

Revolving Airplane Beacon

the tetchy soul of dynamite

VENA3A9C29 zz10000

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

This is an original 1925 black and white print ad for Prince & Ripley of 342 Madison Avenue

1890 Article Pyrogravure Fire Engraving Tools M. Manuel Perier Vintage MAB1 XET8 Revolving Airplane BeaconThis 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