Minutes of proceedings of the Institution of Civil Engineers Volume 101, pt. 3
Автор:Institution of Civil Engineers Год: 2012 Издание: [не указанo] Страниц: 164 ISBN: 1130340066 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. 1890 Excerpt: ...15 kilometres (9 J miles) from the pumps, it is imperative that the flow be maintained throughout the night. Besides the above main drains, a large drain was cut outside of the high-service boundary canals, and this extended nearly three parts round the lake, wherever there was cultivated land outside the borders. Its use was to tap all the small drains, which, before Lake Aboukir was drained, discharged into that depression. This water, having been thus collected and brought under control, was utilized for washing certain low parts of the lake containing an undue percentage of salts. The works having been pushed forward with great energy during the seasons of 1887 and 1888, the main system of canalization was completed by December 1888. These, together with the pumping-station,...
