OPAC Home  
Houghton, P.S.

Gears : spur, helical, bevel, internal, epicyclic and worm - London Technical Press 1970 - various pages. : ill., photos.

621.833 / H6

Copyright @ 2015-2021 Library, University of Moratuwa, Katubedda, Moratuwa (10400), Sri Lanka