Correspondence

The Editor invites corresPondince on all subjects connected with the use of commercial inz.tors. Letters should be on one side of ths paper only, and type-written by preference.......

Answers To Queries.

Gas-producer Equipment for Road Vehicles. [1332] " CONSULTING ENGINEER (Glasgow) writes :—" I shall he obliged if you can give me the name of the individual, or firm, that was......