he remarkable deposit of auriferous gravel. For nine miles pressure is equalized throughout the entire system of pipes, along the beach an unbroken line of cliffs,towering from one so that the latter may be of a uniform strength over their to five hundred feet, serves as a sea escarpment to the… … strange that.up to the present time, no artificial means have been resorted to in the way of blasting down the cliffs or un- We have now cited sufficient modes of application of the dermining them by hydraulic process to increase the yield of invention to give our readers a fair idea of its value…
Patents · Iron · Improved · Consists · Flre · Scientific American · Inventor · Professor tyndall · Hot air · Cast Iron · Direct draft · Western union · Steam engine · Fire pot · Sun ray · Fresh air
Internet Archive · Public domain (published before 1931). Free to use for anything.
