has been employed by the post- the front board and the diaphragm. The upper opening of closes the jar sufficiently tight for ordinary purposes; but, masters of Horsham and Saxmundham with great success, having been used by the letter carriers and telegraph mes- if desired, it may be hermetically… … HUSTON'S ACOUSTIC TELEPHONE. ploys 5,000 persons, who receive 50 cents per day for 13 hours' FBISU BATTEBT, COMPLETE. work. The matron at each table gets her pay from the wo- cover melted wax,which will spread over the cover, run into men she commands. wires, a b, at the lop and bottom, which hold…
Patents · Patented · Center · Steel · Scientific American · Apparatus · American supplement · Address munn · Young men · Low pressure · Sulphuric acid · Loaf sugar · Rapid transit · Electric light · Seventeen years
Internet Archive · Public domain (published before 1931). Free to use for anything.
