n of the point of the ad- can Patent Agency; the one on the electro-magnet bearing each of salt and alum in a little hot water, and put into a tub justing screw, H, which limits the motion of the principal date Nov. 9, 18G9, and the patents on the key and sounding of cold water sufficient to cover… … Something in the tone of your letter makes me answer, and Patent Office Affairs. unwilling to leave it unanswered, I write to say that the The report of the Secretary of the Interior furnishes the separated by a coiled spring from a button of similar material statement you sent me is false. In some…
Patents · Machine · Iron · Patent office · Antedated · Water wheel · Steam power · Scientific American · Spontaneous combustion · Mass motion · East river · Steam boiler · Steam engine · Steam boilers
Internet Archive · Public domain (published before 1931). Free to use for anything.
