ach fire company is assigned by a regular order torespond to fire alarms in certain localities,, on the first,second, third, fourth, and fifth alarms, and in specialcalls if necessaj-y. So that every company when calledknows exactly by the signal where to respond and re-port for duty. This they do… … read three short papers. The first touched upon Thedanger attending the presence of ammonium nitrate innitro-cellulose. He described an explosion which hadoccurred when he was preparing a small quantity ofdi-nitro-cellulose. In order to obviate washing out thelast traces of acid, he had used a…
Patents · Inches · Munn · Scientific American · Cast Iron · Steam engine · Horse power · Square inch · Circuit court · Front plate · Letters patent · Sewing machine · Overman wheel
Internet Archive · Public Domain Mark 1.0. Free to use for anything.