Coals and Cokes in West Virginia: a handbook on the coals and cokes of the Great Kanawha, New River, Flat Top and adjacent districts in West Virginia. By Wm. SEYMOUR EDWARDS. Cincinnati R. Clarke & Co. 162p
surveyQrs. Tbe tr.'%tiise .is.a lllost satisfactory one for its purpose; The coal is carried in barges averaging about 500 tons, or between its author is knQwn as not oanly an authority and in all respects 12,000 and 13,000 bushels. Four barges can be easily handled by competent, but as one of the most accurate and painstakiing of a tow-boat in the locks, and from 4 to 14 in the open river; while writers. His work will undoubtedly find its place promptly, and on the Ohio from 14 to 34 barges
... 14 to 34 barges are taken by a single tug. will be adapted for purposes of instruetion in nmany schools of the Thirty barges contain about 15,000 tonls, equal to a continuous -higher claiss, and will supply multitud(les of younlg enEineers with train of 20-ton railroad cars 51 miles long. The rate of towing the factb and metlhods that they require in their practice. this coal from Charlcston, W. Va., to Cincinnati, a distance of Coclts atn( Cokes in Westd Virqinia: a hlandbook on the coals an(l 2,3 miles, is onily 25 cents per ton, or, to those whio hire barges and so pay rent for them, 37cents per ton. To Louisville, 394 coe is ofithe Great Virinaa, NeWMSEYMOI River, FlatRDS nandaa iles from Charleston, the rate, including rent. and the return of barges, is 48 cents per ton, or 1 % I 2 0 1 m ills per ton per mile. For the longer distance to New Orleans, 1,776 mliles. the cost is $1.25 MR, SEYMOUR has collected in this book a great mass of statisper ton, orof a cent per ton Per mile. Contrast this nowv with tieal and geological information which cannot fail to be useful the cost of railroad freight fromii New York to ( hicligo, 913 miiles, and valuable to all wvho are interested in the West Virginia coaland we have $4.50 per ton, or 5 mills per ton peel miile, against -J* fields. In the first chapter a brief review is given of the coalof a mill per ton per mile for 1,776 miles to New Orleans. Surely mleasures as they occur in the southern part of the State, and this nothing can show nmore clearly the value of w-ater carriage to the is followed by chapters giving details of nunmerous sections. We commuinitv as a whole, and no better argument coulld be advanced hiave first tables of vertical sections giving the name used by the in favor of the continued developmnent of our river, canil, and Pennsylvaniia Survey, the local nanme, height or thickness, mate-lake navigation. JosEPEI F. JAMES. i'ial, etc.; thien tables of chemical analyses, tables showing com-Washington, D.C., Dec. 10. parative gas-yielding power, steam-producing power, and clhenmical A Maniwlt( of Physics. By WILLIAMI PEDDIE, I).Sc., F.R.S.E. analyses and physical tests of coke. This closes part one. NeNv York, G. P. Putnam's Sons. 501 p. S@. In part two we have sketches of various districts and tables sh1owing the output, cost of production, transportation, and aver-THE language of mathemiiatics is noted forprecision and conage )rices obtained in a series of years. In these days of pools ciseness; but, with its incomparable advantages, botlh f(or expresand combines by railroa(ds, and of trusts by manufacturers, it is sion and for reasonin-, it offers a barrier to maniy minds as foror interest to note the immense difference in cost of transportation biddiDg as any Chinese wall. One reader of physics enjoys wlhen water and land carriage is considered. The Great Kanawha brilliant lecture experiments, another desires a guide to accurate River has been improved under the auspices of the general gov-laboratory measurements, but neither phase is apparent in tllis ernmenit by means of locks and dams so as to afford continuous volume. It is offered as -an introdcuction to the study( of physical transportation facilities for about ten months out of the year. The science, designed for tlhe use of university students." With little most of the danms in the river are " movable," that is, can be descripti n of apparatus or manipulation, it presents an orderly lowered to the bottonm of the stream in high water and raise(d view of the several topics, setting forth the unity of natural phiwhen the river falls, so as to afford a constant depth of six feet. losophy, and tracing the resuilts of observation to the kinetic CALENDAR OF SOCIETIES. Anthropological Society, Washington.