  THIS work is an important aid to engineers of all grades, and is undoubtedly the most helpful ever issued relating to a safe and sure preparation for examination. It presents in a condensed form the most approved practice in the care and management of Steam Boilers, Engines, Pumps, Electrical and Refrigerating Machines, also a few plain rules of arithmetic with examples of how to work the problems relating to the safety valve, strength of boilers and horse power of the Steam Engine and Steam Boiler. 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 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 × 71/2 inches and weighs twenty-two ounces. PRICE, $2, Postpaid. THEO. AUDEL & CO., 63 FIFTH AVENUE, NEW YORK |
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