Hints On Maintenance.

Flow to Get the Best Out of a Vehicle, to Secure Reliability and to Avoid Trouble. C ONTRIBUTIONS are invited for this pa g e from mechanics, works staff and draughtsmen, and......

152. — Oil Release Valve On Dennis Engines.

The oil release valve utilized in the lubricating systems of all the engines of Dennis commerical vehicles made since 1914, with the exception of the 30 cwt. and one ton......