12th October 1905, Page 22
12th October 1905
Page 22
Page 22, 12th October 1905
Close
Abridgments Of Interesting Patent Specifications.
Ignition Plug, Carburetter, Steering Gear, Fricticn Clutches. No. 12,59o, dated July nth, 5904.—Ignition Plug.—Mann.—In a recess at the end of the plug a catalytic substance......