ould not be the proper month to average from/ for reasons reduced, the cylinder continues to revolve at a uniform The fog signal apparatus shown in the annexed engrav- which will be recognized by millers themselves. Not one speed, and the pitch of the note is constant. ing consists of one pair of "… … FOG SIGNAL APPABATUS compressed air, automatic gearing for opening the valves at the annular-space 1 up to 30° C. the phenomenon would result precisely as fire bars and so through the fire; the other passing into the given times and sounding the signal, and JProf. F. H. with lycopodium. Holmes'…
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.
