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Scientific American, Vol. 45, No. 5 (July 1881) (1881)
leaf 7
n Iridescent Copper. the wall of the engine room, and supply with oil the one or A new invention for coating iron and steel with irides- IMFBOVED LUBAICATOB. i more engines and steam pumps. A single lubricator is also cent copper, says the Revue Polylech., is the work of Dr. Two important results… … dropping of the oil. The pipe, h, leading to scarlet, blue, and green, may thus be produced HOLLANDS ENGINE LUBRICATOR. the steam chest has, near the engine cylinder, at will. ©1881 SCIENTIFIC AMERICIAN, INCBoiler · Patents · Iron · Cast · Patented · Scientific American · Inches · Ultra violet · Iron heads · Cast Iron · Cross doubles · Flat cast · Upper leather · Large number · Silicious marl · Iron boiler
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