rter of each turn, leaving three quarters of the working best inaccurate operation, involving the labor of three men notches made in the blades for cutting round iron are so time and all the time between work for it to accumulate and no small expenditure of time. It is hardly necessary arranged as… … chariot or platform is to run, largest bar to be cut is placed close to the axis or actual and upon this platform is to be STEVENS' IRON-CUTTING SHEARS. center of the shears. This is placed a submarine boat, com- posed of galvanized iron, and hermetically sealed, propelled claimed to secure the…
Patents · Iron · Water · Boiler · Inches · Practical treatise · Valve · Second hand · Scientific American · Steam gage · Valve stem · Fly wheel · Sulphuric acid · Water level · York city · Postage included
Internet Archive · Public domain (published before 1931). Free to use for anything.
