-sel by means of the pass-tube. The cock near the burner isopened, and if the gas can be ignited at the burner, the ser-vice-pipe is clear and tlie substances have been removed;but if the gas cannot be ignited the. service-pipe is stillobstructed and an additional quantity of alcohol must… … New Tube Cutter or Expander. We give an engraving of a new tool designed for the re-moval of lubes from boilers in order that they may be re-placed with new ones. The tubes are cut from within justinside of the flue sheet by the revolving expanding cuttersof the tool, and its central bar being…
Patented · Silk · Apparatus · Machine · Ammonia · Manufacture · Scientific American · Patents · Ammonia gas · Strongest nitric · Load water · Feed water · Sewing machine · Nitric acid · Silk culture · Specific gravity · Cast Iron
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