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Author : George Drysdale Dempsey
Publisher : Unknown
Page : 394 pages
File Size : 54,9 Mb
Release : 1887
Category : Drainage
ISBN : COLUMBIA:CU50585967
Author : George Drysdale Dempsey
Publisher : Unknown
Page : 430 pages
File Size : 53,6 Mb
Release : 1890
Category : Drainage
ISBN : UCAL:$B259584
Author : George Drysdale Dempsey
Publisher : Forgotten Books
Page : 342 pages
File Size : 51,7 Mb
Release : 2017-10-28
Category : Technology & Engineering
ISBN : 0266897916
Excerpt from On the Drainage of Lands, Towns, and Buildings The flat stone drains shown in Figs. 45 and 47 are economical forms of construction in some localities, namely, where the required slabs are cheap and abundant. The shoulders, shown in Fig. 47 as being left in the soil, may be in some cases better substituted by clearing the drain out level, and introducing two slabs of stone, meeting at the bottom, and having a stone wedged in between them at the top, the upper portion being filled in with loose stones. If the flat stones at the sides can be obtained 6 or 8 inches broad, and 15 inches thick, at about 4d. Per ton, an acre of land may be drained with drains 32 inches deep below the crowns of the gathered-up ridges, and laid at distances of r 5 feet, at a cost of about £2 1zs., exclusive of carriage of materials, and the ploughing by which the upper ridges are formed. Constructed as in Fig. 47, if the covering flags can be procured 12 inches wide and 2 inches thick, at the same rate per ton, the acre may be similarly drained for 8s. Or os. Less. For the draining of bogs, the arrangement represented in Fig. 49 is peculiarly applicable, all the materials being on the spot, as the whole drain is refilled with the peat itself, which is well known to resist the action of water with impunity. Provided the cutting of the drains be done in summer, when the material quickly becomes dried, and sufficient time is allowed between the successive opera tions cf cutting and refilling to effect the required con solidation, no better method is yet devised for effecting this kind of work. The liability of the mess in the bed of the drain to subside in detached parts, and with great irregularity, is certain to destroy any arrangement of tiles, pipes, or other artificial materials. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : George Edwin Waring
Publisher : Unknown
Page : 496 pages
File Size : 52,8 Mb
Release : 1889
Category : Drainage
ISBN : CORNELL:31924004448035
Author : Boston Public Library
Publisher : Unknown
Page : 178 pages
File Size : 47,6 Mb
Release : 1894
Category : Bibliography
ISBN : HARVARD:32044080794415
Author : Boston Public Library
Publisher : Unknown
Page : 430 pages
File Size : 48,9 Mb
Release : 1895
Category : Boston (Mass.)
ISBN : UOM:39015035102329
Quarterly accession lists; beginning with Apr. 1893, the bulletin is limited to "subject lists, special bibliographies, and reprints or facsimiles of original documents, prints and manuscripts in the Library," the accessions being recorded in a separate classified list, Jan.-Apr. 1893, a weekly bulletin Apr. 1893-Apr. 1894, as well as a classified list of later accessions in the last number published of the bulletin itself (Jan. 1896)
Author : Boston Public Library
Publisher : Unknown
Page : 424 pages
File Size : 44,8 Mb
Release : 1895
Category : Boston (Mass.)
ISBN : CUB:U183020054312
Author : G. Drysdale Dempsey
Publisher : Unknown
Page : 440 pages
File Size : 47,6 Mb
Release : 2015-08-05
Category : Technology & Engineering
ISBN : 1332240534
Excerpt from Rudimentary Treatise on the Drainage of Towns and Buildings: Suggestive of Sanatory Regulations Conducive to the Health of an Increasing Population Two volumes of the Rudimentary Series - "The Art of Draining Districts and Lands, and the work now submitted to the reader - relate to the subject of drainage generally, with water supply as an auxiliary or necessary contingent: the removal of surplus waters and refuse on the one hand, and the supply of pure water on the other. The one volume applies to Districts and Lands; the other to Towns and Buildings. It becomes necessary to remark in this (the Third) Edition of the present work, that when the late Mr. Dempsey prepared the First and Second Editions, the whole subject of the Drainage of the Metropolis was in confusion. The most eminent engineers were in conflict as to the best mode of attaining the desired end. The plan eventually adopted, and now (1865) in progress, differs from that which Mr. Dempsey and many other engineers recommended. This, of course, is not conclusive as to the relative merits of the different schemes. Who were right and who were wrong, in these speculations, we shall not know for many years to come; until the Intercepting Main Drainage plan shall have had a fair trial by long-continued working. On this account it seems desirable to leave Mr. Dempsey's calculations and deductions in their original form; because they embody, or rather illustrate, one particular principle of Drainage, which may probably apply to many other large towns, irrespective of its adoption or rejection in the metropolis. By greatly enlarging the Appendix, space has been found for a succinct account of all that has been done in relation to the Main Drainage Scheme since the publication of the Second Edition of this volume, in 1854. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Cleveland Public Library
Publisher : Unknown
Page : 1434 pages
File Size : 40,5 Mb
Release : 1889
Category : Electronic
ISBN : UCAL:$C18480
Author : Anonim
Publisher : Unknown
Page : 410 pages
File Size : 55,7 Mb
Release : 1882
Category : Public health
ISBN : IOWA:31858045161712
Author : Anonim
Publisher : Unknown
Page : 508 pages
File Size : 54,7 Mb
Release : 1887
Category : Electronic
ISBN : BSB:BSB11466732
Author : Thomas Roger Smith
Publisher : Unknown
Page : 258 pages
File Size : 43,8 Mb
Release : 1895
Category : Architectural acoustics
ISBN : UCBK:C081860780
Author : William Kinnimond Burton
Publisher : Unknown
Page : 498 pages
File Size : 55,5 Mb
Release : 1898
Category : Civil engineering
ISBN : UOM:39015075064322
Author : United States. Department of Agriculture. Library
Publisher : Unknown
Page : 940 pages
File Size : 55,8 Mb
Release : 1901
Category : Agriculture
ISBN : STANFORD:36105113749704
Author : Anonim
Publisher : Unknown
Page : 734 pages
File Size : 51,5 Mb
Release : 1897
Category : Municipal engineering
ISBN : COLUMBIA:CU06231241
