Transporting Corrosive Liquids In Bulk.

How Road Tankers can be Equipped with a Special Rubber Lining which is Proof against Acids and Alkalis. O NE of the greatest difficulties facing those concerned in the transport......

Increasing Tyre-press Efficiency.

An Inexpensive Method of Utilizing Town's Water for Expediting Ram Movement During the Slack Part of the Stroke. A DESCRIPTION of an inter1 - , sting device for taking up the......