Correspondence.

The Coming of the Taximeter. The Editor," TIM COMMERCIAL MOTOR." Sir :In view of the approaching use of the fare meter (taximeter), it would be a great boon to the home industry......

Useful Charts And Tables.—no. 5.

By George Watson, A.M.I.Mech.E. Centrifugal Tension, or Stress, in Fly-wheel Rims. When watching the revolving fly-wheel of a high-speed petrol engine, the question often arises......