1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 Steel Mill

Steel Mill

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This is an original 1962 halftone print of W

This is an original 1923 monochrome halftone print of a study done by American artist William Morris Hunt for the Capitol at Albany

This is a small original 1899 black and white print ad for Gold Dust Washing Powder from the N

1891 Article Ingersoll Quarry Bar Channeler Vintage Machine William L MAB1 XGR6 Steel MillThis 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