Henry H. Ryffel

Machinery's Handbook Guide 27th Edition (Machinery's Handbook Guide to the Use of Tables and Formulas)

Henry H. Ryffel

$12.69 - $25.29

Guide to the Use of Tables and Formulas in Machinery's Handbook

Henry H. Ryffel

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Machinery's Handbook Pocket Companion

Henry H. Ryffel

$13.39 - $26.19

Mathematics at Work

Henry H. Ryffel

$5.19 - $54.89

Mathematics at Work: Practical Applications of Arithmetic, Algebra, Geometry, Trigonometry, and Logarithms to the Step-By-Step Solutions of Mechanic

Henry H. Ryffel

$8.19 - $9.39

Gear Design Simplified

Henry H. Ryffel

$42.19 - $174.29