Publisher's Synopsis
Excerpt from Comparative Tests of Six Sizes of Illinois Coal on a Mikado Locomotive
Under these circumstances railway purchasing departments are continually confronted with the problem of choosing between mine run and lump coal, and occasionally with that of choosing between these and other sizes as well as between various sizes of screenings. For such a choice, information regarding the relative values of the various sizes of coal in locomotive service is Obviously essential; but unfortunately very little such information is in existence. Nearly all locomotive laboratory tests have been made with mine-run coal, and what little information is available concerning the relative values of mine-run and lump coal has been derived from road tests, and is inadequate and con?icting. There are practically no data concerning the other sizes.
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