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Scientific American, Vol. 39, No. 5 (August 1878) (1878)
leaf 8
ve used, with some ad- while the latter were com- vantages, ordinary cotton pletely worn out. in solution in ammonia at But the most remark- 22°, containing fifteen per able instance is that of cent of hydrated carbon- locomotive slide valves, ate of copper. which, though in use for In the rapid… … ing establishment. bottle, as this product is THE ELEPHANT HOUSE. © 1878 SCIENTIFIC AMERICAN, INC.Patents · Improved · Iron · Consists · Patented · Scientific American · Metal · Pulley carrying · Phosphor bronze · Sheet metal · Wrought iron · Emery wheel · Sutro tunnel · Address munn · American export · Fire proof
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