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

Revolving Airplane Beacon

" Shown in the illustration is the Chateau of the commune

he became a professor at Queen's College

This is an original 1906 two-sided black and white print ad for the Coast Line and Shasta Route of the Southern Pacific Railroad Company

VENA3A9C29 zz10000

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