1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 This piece was illustrated by

This piece was illustrated by Schabelitz

surmounting the Columbian Arch

There is some very faint wrinkling in the bottom left corner --please see image

OD1A10B29C04

1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 This piece was illustrated byThis 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