ion of "empties" and "loads "), and multiplying it by the ing the nut; from this bar also projects a stud or pin, recently patented by Mr. Joseph H. Black, of Colum- miles. and a bolt through the slot holds another lever bar, bia, Penn. ■ The axle is formed with an enlarged screw- But while this… … through the wheel in line with the recess occupied by would be the foot pounds of work done in hauling a GOODSON'S WRENCH. the key, in which a small tool may be inserted for train over any road. To obtain this, the average strain driving back the key. on the tender drawbar would have to be obtained…
Patented · Munn · Valve · Center · Water · Patents · Scientific American · Luminous · Galvanized iron · Steam engine · Ship railway · Address munn · Novel construction · Lever bar · Sewing machine · Cast Iron · Side bars
Internet Archive · Public domain (published before 1931). Free to use for anything.
