Transport's Part In Refuse Disposal

Informative Discussions and Interesting Demonstrations at the Birmingham Conference of the Institution of Cleansing Superintendents. T HE three-days' annual conference of the......

Increasing The Life Of Lubricating Oil.

By the Removal of Impurities in `Used Oil, its Period of Service is Much Extended and Bearing Wear is Reduced. I T has been said by Mr. H. C. Ricardo, the well-known designer,......