Ryffel

Machinerys Handbook (Machinery's Handbook (Large Print W/CD)) by Oberg,Jones,Horton,Ryffel Industrial Press Inc.,U.S. Hardcover 1 January 2004 from£289.98 | RRP: ~~£142~~
Machinerys Handbook Guide by Oberg,Jones,Horton,Ryffel Industrial Press Inc.,U.S. Paperback 1 January 2004 from£25.11 | RRP: ~~£11~~
Machinerys Handbook (Machinery's Handbook (W/CD)) by Oberg,Jones,Horton,Ryffel Industrial Press Inc.,U.S. Hardcover 1 January 2004 from£217.35 | RRP: ~~£114.5~~
Machinery's Handbook by Erik Oberg,Franklin D. Jones,Henry H. Ryffel Industrial Press Inc.,U.S. Hardcover 1 March 2008 from£70.00 | RRP: ~~£42~~
Machinery's Handbook by Erik Oberg,Franklin D. Jones,Henry H. Ryffel Industrial Press Inc.,U.S. Hardcover 16 January 2012 from£200.01 | RRP: ~~£173.5~~
Mathematics at Work by Holbrook L. Horton,Henry H. Ryffel,Edward Messal,Bob Green Industrial Press Inc.,U.S. Paperback 1 January 1999 from£15.90 | RRP: ~~£17.99~~