Boumphrey, Geoffrey Maxwell, 1894-
Engines and how they work / Pictures by S. J. Graham Browne. - New York : F. Watts , [1960] . - 255 p. illsu. 24 cm. - The Franklin Watts illustrated science books .
60010809
Mechanical engineering--Juvenile literature.
TJ147 / .B68
621 / BGE
Engines and how they work / Pictures by S. J. Graham Browne. - New York : F. Watts , [1960] . - 255 p. illsu. 24 cm. - The Franklin Watts illustrated science books .
60010809
Mechanical engineering--Juvenile literature.
TJ147 / .B68
621 / BGE