ast like Bounderby, Gradgrind's friend, but it open sewers running through the streets of New York," to ELECTRIC ALARM FOR STEAM BOILERS, ETC. have the perforated covers to the manholes in the streets, as may be a costly indulgence; for draughting, correspondence, The object of this invention is to… … ciation when the instrument is used as a receiver, and the MILLER'S MECHANICAL TELEPHONE. rear recess, g, secures a small marginal support for the transmitter, thereby avoiding a large contact with the wall suggested that " the gases should be drawn out by the action ELECTRIC ALARM FOR STEAM…
Patents · Apparatus · Iron · Patented · Scientific American · Boiler · American supplement · Window sash · Electric light · Horse power · Red lead · Fog signal · Wrought iron · Gas engine · Fire escape
Internet Archive · Public domain (published before 1931). Free to use for anything.
