. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . sed again. If compressed air from another source is available, the hand pump andair tank need not be used with these sets, though in such case it will prob-ably be necessary to interpose a reducing valve between the source of supplyand the air regulating valve of the set. Compressed Hydrogen and Oxygen.—The gases used in supporting thelead-burning flame in this method consist of hydrogen and oxygen suppliedfrom separate tanks. After pass
. Storage battery manual, including principles of storage battery construction and design, with the application of storage of batteries to the naval service . sed again. If compressed air from another source is available, the hand pump andair tank need not be used with these sets, though in such case it will prob-ably be necessary to interpose a reducing valve between the source of supplyand the air regulating valve of the set. Compressed Hydrogen and Oxygen.—The gases used in supporting thelead-burning flame in this method consist of hydrogen and oxygen suppliedfrom separate tanks. After passing by means of a hose through the regu-lating valves these gases are mixed in proper proportions and pass on to theburning tip where they are ignited and support the flame in a very similarmanner as was described in the preceding method. A very hot flame is pro-duced by these gases and is characteristic of this method. Lead-Bdening 347 Oxygen and Illuminating Gas.—This method consists in using illumin-ating gas and oxygen for supporting the flame at the burning tip, and maybe said to constitute a very satisfactory method, as both gases can usually. Fig. -Oxygen and Illuminating Gas Lead-Burning Outfit. ? be obtained in all localities. The illuminating gas is obtained from theregular gas jets or lines, while the oxygen is commercially supplied in 130 contains an illustration showing the equipment and the arrange-ment of this equipment as used in this method. 348 Storage Battery Manual Electric Arc.—This method consists in using a carbon, heated by meansof an electric current, to fuse the metal and thus lead-burn the parts some instances this method may prove very convenient since, if desired,the battery to be repaired can be used as the source of current for heatingthe carbon, provided, of course, that the battery is in a charged condition,thus requiring no additional equipment for the lead-burning , it may be said that this m
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