plant, 300 feet apart and di- rectly across the channel. The small boat now moves ating room ashore. We already have a small boat out the mine cable. Again connections are made with the triple junction box as described. The mine end of containing the grand junction box at its marking buoy. over to… … TEE SYSTEM OF PLANTING SUBMARINE MINES FOB THE UNITES STATES COAST SEFENSl,
Supplement · Manufacturers · Sled · Machine · Patents · American supplement · Scientific American · Reinforced concrete · Meat industry · Triple junction · American homes · American supplements · Small boat · Junction box · Grand junction
Internet Archive · Public domain (published before 1931). Free to use for anything.
