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Spotted something wrong or missing on WESTINGHOUSE 8-1/2 INCH CROSS-COMPOUND AIR COMPRESSOR ON LOCOMOTIVES, BOTH IN REPOSE AND IN OPERATION, INCLUDING DIAGRAMMATIC DRAWINGS AND COMPLETE DETAILED EXPLANATIONS. (1928)? Tell us below. You don't need an account. An editor reviews every suggestion, and if it's accepted your name is added to the film's Sources list. Your email address is never shown publicly; we only use it if we have a question about your suggestion.