ng comb reciprocat- by holes punched in a strip of paper or " tape," and at The system is very ingenious and complete. There are ing over one or more of the upper sections of the table. four of these towers in Jersey City, from each of which the same time is repeated by relay action to all the… … /XOAf BEX. L TO W£f( £rt[££r r/^e JtJi/r^Af so\. RINGING FIRE ALARM BY ELECTRICITY. division regulates the current to the four bell towers. of the box whence it has been sent. These tower bells chute, whereby a current of water may be turned upon Like the other circuits, the bell tower circuit is…
Munn · Water · Adapted · Rice · Patents · Scientific American · Tallapoosa · Wire cloth · Typewriting machine · Stained glass · Red scale · Illustration represents · Lead strips · Carbonic acid · Fire alarm · Express money
Internet Archive · Public domain (published before 1931). Free to use for anything.
