TY - BOOK AU - Severns,William H. AU - Degler,Howard Edward AU - Miles,John C TI - Steam, air, and gas power PY - 1954///], ©1954 CY - New York PB - John Wiley & Sons KW - Steam engineering KW - Internal combustion engines KW - Compressed air KW - Pumping machinery N1 - Includes index ER -