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Universal radio batteries 263 Universal starting batteries 430 Universal starting batteries. Construction features of 430 Universal starting batteries. Putting new, into service 431 Universal starting batteries. Types 430 U. S. L. radio batteries. 261 U. S. L. starting batteries. Age code for 246 U. S. L. starting batteries. Special instructions for 382 U. S. L. starting batteries. Tables of 384 U. S. L. vent tube construction 20