This 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 Ingersoll-Sergeant Drill Company, 10 Park Place, New York.
CONDITION
This 120+ year old Item is rated Very Fine ++. Moderate aging in margins. No creases. No natural defects. No surface rub. No tears. No water damage. Please note that there is printing on the reverse. Also there is bleed through showing as well.
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Product Type: Original Print Article; Black / White
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Grade: Very Fine ++
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Dimensions: Approximately 8.75 x 11.75 inches; 22 x 30 cm
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Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
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Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)
Keywords specific to this image: machinery
MAB1A7C91