uantity of stuff mented with by prominent and capable men, who be- least three feet below the track to clean low bedrock, with from 1 in. to 3 in. of supply, by using the water lieve that money can be made from the bars and other and at times cut its way through high bedrock. The over and over,… … ELECTRIC DREDGING AND AMALGAMATING MACHINE. matically opens ar.d closes at the proper points. The this connection we illustrate and describe &, process that illustrated has been worked near Denver for several has been before the public for some time in California weeks on less than a miner's inch…
Patents · Water · Locomotives · Scientific American · Locomotive · Illustrated catalogue · Horse power · Trade mark · Steam engine · Sheet metal · Ship railways · Sulphuric acid · Express money · Foreign Countries
Internet Archive · Public domain (published before 1931). Free to use for anything.
