n rounding Astoria, Work upon Hallet's Point, which projected 325 ft. of each cartridge are four outwardly projecting wires, were so located as to make all the deep channels ex- from Astoria shore, was begun in 1869, by the building which serve to hold the cartridge in the drill hole The tremely… … Inclosed within the dynamite is a fuse (No. 5), the average depth of 9 feet; in other words, the rock has wires from which pass through a divided cork in the Fig. 7.-THE CARTRIDGES AMD EXPLODERS. been pierced with holes having an aggregate length of mouth of the brass cylinder. The fuse—shown full…
Patented · Patents · Shaft · Ratchet · Wire · Scientific American · Munn · Steam engine · Shore wire · Noon august · Shovel plate · Horse power · Fig trees · Address munn · Electric lighting · Postal order
Internet Archive · Public domain (published before 1931). Free to use for anything.
