Correspondence.

Time Wasters Who Obstruct Traffic. The Editor," THE COMMERCIAL MOTOR." Sir :--The article on " Overtaking on the Near Side," in your issue of the //th instant, deserves to be......

Superheated Steam : Article No. Iii.

By David J. Smith. Continued from page 108. 1. le previous instalment of this series, the use of superheated steam with existing plants was considered, and it may now be as well......