19th September 1922, Page 30
19th September 1922
Page 30

Page 30, 19th September 1922
Close
Some Novel Gearboxes.
A Résumé of Recently Published Patents. A LTHOUGH various designs of the gearbox which forms thasubject of No_ 183,951, by E. C. Hatcher, are shown, the moss Mteresting is, we......