Hints• On Maintenance.

How to Get the Hest Out of a Vehicle, to Secure Reliability and to Avoid Trouble C ONTRIBUTIONS are invited for this page from fleet managers, drivers, garage foremen, and......

191.—the Care Of Lighting Dynamos.

If there is a considerable loss of efficiency in the lighting dynamo, this will often be found attributable to discoloration of the commutator by corrosion or by deposition of a......