. Bell telephone magazine . g thespray, and the directional force of thejet scatters the metallic fragmentsaway from him. When the jet ofwater hits the bomb, there is a mo-mentary flash of light and flame anda scattering of molten metal. An in-stant later, however, nothing is leftbut scattered fragments and the un-burnable part of the bomb. Thesefragments, together with the fireswhich may have been started, are thenquickly extinguished by the jet. Thescattering of the bomb may also fore-stall the action of an explosive cap-sule, should there be one attached tothe bomb. As other evidence of evo
. Bell telephone magazine . g thespray, and the directional force of thejet scatters the metallic fragmentsaway from him. When the jet ofwater hits the bomb, there is a mo-mentary flash of light and flame anda scattering of molten metal. An in-stant later, however, nothing is leftbut scattered fragments and the un-burnable part of the bomb. Thesefragments, together with the fireswhich may have been started, are thenquickly extinguished by the jet. Thescattering of the bomb may also fore-stall the action of an explosive cap-sule, should there be one attached tothe bomb. As other evidence of evolution, theRussians are said to have extinguishedincendiaries by throwing the bombsinto barrels of water. The success of 184 Bell Telephone Magazine AUGUST Two Kinds of ProtectiveEquipment Left: Normal—racked hose atstandpipe, carbon dioxide extin-guisher, asbestos gloves, alarm : Fixed emergency unit withsand, stirrup pump and pails, shovel,flashlights, goggles in box on rack, allfor use against incendiary bombs. 19^2 Protecting the Service Against Fire 18^ this method depends on completedrowning of the bomb. Also, wehave read of the bravery of the Brit-ish in flinging incendiary bombs fromthe roof of Canterbury Cathedral asfast as they were dropped from Nazibombers. These comprise the acts ofheroism outside the rules in the bookas so far written, but emphasize againthe courage of our allied defenders. Other Types of Fire Bombs It may be interesting to note someother types of fire bombs. These haveseldom been used, however, for vari-ous reasons, such as their less inten-sive heat or greater weight. There isthe so-called thermite bomb, with itsthermite encased in a thin steel shell;and the oil, the phosphorus, and thesodium and sodium-potassium alloybombs, the make-up of which can bejudged from their names. The thermite bomb is handled inthe same general manner as the mag-nesium bomb, while the oil bombshould be fought as any other flam-mable liquid fire, with foam o
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