Hard, y H.W.

Overview

Works:	3 works in 0 publications in 0 languages

Titles

Compound Change Gear & Indexing Problems by: Hard, y H.W. (Language materials, printed)

Machine--Tool Slides and Sliding Elements by: Hard, y H.W. (Language materials, printed)

Planetary Gearing(Design and Efficiency) by: Hard, y H.W. (Language materials, printed)