. American engineer and railroad journal . wing the differentparts of their apparatus. Charts have also been furnished bya steam gauge company, showing the construction of its gauges. Trade Catalogs.—Catalogs of interest to the students are kepton file at each school. In several instances catalogs or pub-lications of special interest have been furnished to each appren-tice, such for instance, as a publication on the cross-compoundlocomotive, published by the American Locomotive Company, andgiven to the apprentices of the Michigan Central, where this typeof locomotive is used very largely. The


. American engineer and railroad journal . wing the differentparts of their apparatus. Charts have also been furnished bya steam gauge company, showing the construction of its gauges. Trade Catalogs.—Catalogs of interest to the students are kepton file at each school. In several instances catalogs or pub-lications of special interest have been furnished to each appren-tice, such for instance, as a publication on the cross-compoundlocomotive, published by the American Locomotive Company, andgiven to the apprentices of the Michigan Central, where this typeof locomotive is used very largely. The Allfree-Hubbell catalog June, 1907 AMERICAN ENGINEER AND RAILROAD JOURNAL. 209 was furnished to each apprentice on the Pittsburgh & Lake Eriewhere a number of these engines are in service. Stereopticon and Reflection Lantern.—A combination stereopti-con and reflection or opaque projection lantern has been pur-chased by the railroad company and will be used in connectionwith any lectures that may be given. The lantern was purchased. RACK FOl; MODELS AT DEPEW. from the L. E. Knott Apparatus Company, of Boston, Mass., andin addition to using the transparent slides can be used to reflecton the curtain views of printed matter, drawings, photographs orany opaque substance. Air Brake Instruction Car.—These cars can doubtless be usedto good advantage by having them devote a part of their timeto the shop apprentices: in fact, this is being done on one or twoof the roads. Other Facilities.— The testing laboratories, machinery andequipment, especially at the larger shops, afford exceptional op-portunities for occasional practical demonstrations in connectionwith the class work. Interest Shown by the Boys. The apprentices generally have displayed considerable interestin the work of the school and the efforts which are being madeto improve their opportunities. This is clearly shown in anumber of ways, and especially by the earnestness with which thegreater number of them are followi


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering