The Conveyance Of Acids By Road.

Thousands of Tons Weekly Transported and Stored in Carboys. How Rubber-lined Tanks May Revolutionize Present Methods. Problems to be Overcome. D ESPITE the fact that many......

A Useful Tyre-inflation Regulator.

When Using a tyre pump of the power-operated pattern it is usually necessary to stop the pump and remove the tyre connection several times in order to test the pressure with an......