TY  - BOOK
AU  - Ballaney, P.L.
TI  - Theory of machines
U1  - 621.8 
PY  - 1980///
CY  - Delhi
PB  - Khanna
KW  - Friction
KW  - Gyroscope
KW  - Steam engin
N1  - Includes bibliographical references and index
ER  -