1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 Biltmore industries were started in

Biltmore industries were started in 1901 by Mrs

OD1A10B29C04

This is an original 1937 black and white print map of the United States showing the distribution of consumer cooperatives (as of 1935)

Steel Mill

This is an original 1932 black and white halftone print of the fascinating rock caves in the Qara Mountains at Al-Ahsa

1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 Biltmore industries were started inThis is an original 1891 one page print article about the Ingersoll quarry bar. This article also features an illustration of the method of working a quarry in benches with the aid of the quarry bar, operated as a channeler. The apparatus may be used either for simple rock drilling, for gadding, or for channeling. The credit for the adaptation of the quarry bar and drill to the work of channeling is due to William L. Saunders, the engineer to the