It contains various rules, regulations and laws of large cities for the examination of boilers and the licensing of engineers. It contains the laws and regulations of the United States for the examination and grading of all marine engineers.

The book gives the underlying principles of steam engineering in plain language, with very many sample questions and answers likely to be asked by the examiner.

It also gives a short chapter on the “Key to Success” in obtaining knowledge necessary for advancement in engineering.

HAWKIN’S AIDS.

Engineers’ Examinations
—with—
Questions and Answers

This helpful volume contains 200 pages of valuable information not elsewhere obtainable; it is bound in rich red leather with full gold edges and titles; it measures 5 × 712 inches and weighs twenty-two ounces.

PRICE, $2, Postpaid.

THEO. AUDEL & CO., 63 FIFTH AVENUE, NEW YORK