d., has patented an im- I shall not describe in this place the mode of fixing the best conditions of performance; be compared the value of provement in guano distributers arranged on the frame of a ‘pulleys, springs, and other parts, since such details are suffi- seed drill; and it consists of a… … ENGINEERING INVENTIONS. thawing out or removing obstructions from pipes. An improvement in car coupling has been patented by Mr. the different apparatus; and be resolved a host of ques- Mr. William T. Hall, of Fayetteville, Ind., has patented a John H. B. McCray, of Blossom Prairie, Texas. This…
Internet Archive · Public domain (published before 1931). Free to use for anything.
