The detonator consists of a bronze cyl- inder, recessed to form a cavity, closed at one end. A eartridge is contained in the cavity, composed of paraffined paper and fitted with the terminals of two electric conductors, connected by a fine platinum wire enbedded in a small charge of pow- der. When… … movable. Ihe construction prevents the creeping of Figs. 5 and 6.—FLOATING being continually carried. The results of the ex- , GAS BAGS.| periments show that we. must treat mines where many batteries in which zine is used. Current leak- the element of dust is found with as much care age (common to…
Internet Archive · Public domain (published before 1931). Free to use for anything.
