essitating the dragging of the lagging portion by less liable to injury than the ordinary screw propeller. The the most active; the loss by the opportunity and tendency of inventor submits a calculation fol a pair of four-foot bal- Extensive liocomotive 'Works. water to escape from pressure; the… … whenever and wherever needed, says: " A wealthy operator loca- CURTIS' IMPROVED PROPELLER, while in theold-style propellerthe ted eight dry wells last year. ship would be buffeted about till He is an ' oil smeller,' and cost- she reached shore, and incur the expense of being dry docked. ly…
Patents · Boiler · Invented · Patented · Scientific American · Water · Potential energy · Muscular power · Steam boiler · Square foot · Professor tyndall · Practical treatise · Cast Iron · Fire proof · Gilbert elevated
Internet Archive · Public domain (published before 1931). Free to use for anything.
