The Locomotive Volume 13-14 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 Excerpt: ...particles per cubic inch give a fine blue; and 58,000,000 give an extremely dark blue. These colors are for an instrument having a tube twenty inches long. By means of this instrument it is easy to trace the pollution taking place in our rooms by open flames and other causes. We can also trace, by means of it, the pure and impure currents in the room, and note the rate at which the impurity varies. HARTFORD, DECEMBER 15, 1892. J. M. Allen, Editor. A. D. Risteen, Associate Editor. The Locomotive can be obtained free by calling at any of the company's agencies. Subscription price 50 cents per year when mailed from this office. Bound volumes one dollar each. (Any volume can be supplied.) Papers that borrow cuts from us will do us a favor if they will mark them plainlv in returning, so that we may give proper credit on our books. The present issue completes the thirteenth volume of The Locomotive, and the indexes and title pages for this volume are now ready, and will be sent to any address upon application to this office in writing. The indexes of the ninth and tenth volumes of The Locomotive (i.e. the volumes for 1888 and 1889) have been out of print for some time. A new edition of these indexes will be ready shortly, and we shall be pleased to send them to whoever may need them for binding. We call attention to this fact because we have received numerous applications for them that we have been unable to fill. Curious things often happen when inexperienced persons attempt to improve on the designs of competent engineers. A simple and stupid illustration of this fact came to our notice recently. An engineer had been called upon for advice concerning cylinder drain-cocks, and had made a sketch in which a drip pipe was shown connected to each end of the cylinder...