1878 Prints Automatic Gas-Pumping Engines Antique Machinery Welch & Lawson MAB1 XGN3 This is an original 1877

This is an original 1877 black and white wood engraving of a bridge of boats in Arnhem

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This is an original 1935 black and white print ad for Mackintosh-Hemphill of Pittsburgh

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1878 Prints Automatic Gas-Pumping Engines Antique Machinery Welch & Lawson MAB1 XGN3 This is an original 1877This is a set of two original 1878 halftone prints of the Automatic Gas Pumping Engine, manufactured by Welch & Lawson, 176 Center Street, New York City. Fig. 1 shows a perspective view of a Gas Pumping Engine. Fig. 2 shows a vertical section of a Gas Pumping Engine. Please see both images. CONDITION This 133+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. Some light surface rub. No tears. No water