Photo No. 49. A SUBMARINE ROCK BLAST
Submarine Appliances And Their Uses - 1911
Sprængninger
Illustrationer
Methods of Connecting Electric Detonator Fuses in Series and in Parallel, For Submarine Blasting of Wrecks, Rock, &c
Submarine Appliances And Their Uses - 1911
Photo No. 50. BLOWING UP THE S.S. “EGRET” BY THE TRINITY CORPORATION. {“TONITE” USED.)
Submarine Appliances And Their Uses - 1911
Fig. 5. Torpedosprængning
Torpeder Och Minor - 1918
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