Photo No. 49. A SUBMARINE ROCK BLAST
Submarine Appliances And Their Uses - 1911
Photo No. 49. A SUBMARINE ROCK BLAST
Submarine Appliances And Their Uses - 1911
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. 55. Rock Cutters, showing Points removed from the Bars; Photo No. 56. Barge fitted with Rock Cutting Plant complete
Submarine Appliances And Their Uses - 1911
ROCK GRAPNELS (Photos F and G); MURPHY PATENT GRAPNELS (Photo H); RENNIE'S PATENT GRAPNEL (Photo I); MUD GRAPNELS (Photo J)
Submarine Appliances And Their Uses - 1911
Photo No, 57. H.M. Battleship “Howe” on the Rocks, near Ferrol, Spain
Submarine Appliances And Their Uses - 1911
Fig. 2. Skantet kammer, bygget af antike kvadersten
Om Antike Trykledninger Til Vandforsy... - 1903
Vi bruger cookies til at føre statistik over antal besøgende og huske om du tillader det. Vil du tillade statistik? Læs mere