TY - BOOK AU - Frank D. Graham TI - Audels engineers and mechanics guide (1 to 7) A progressive illustrated series with questions-answers calculations, Modern Engin U1 - 621 PY - 1947/// CY - New York PB - Theo Audel and Co N1 - Frank D. Graham: Audels engineers and mechanics guide (1 to 7) A progressive illustrated series with questions-answers calculations, Modern Engineering Practice. New York. Theo Audel and Co, 1947.--(621GRA) ER -