Water & Sewage Works, Vol. 45 (Classic Reprint) okumak kayıt olmadan

Water & Sewage Works, Vol. 45 (Classic Reprint)

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The first three bascule bridges in Milwaukee were those at Holton, Sixteenth and Huron streets, built nearly twenty years ago. The Holton street bridge, built by the Milwaukee Bridge Company in 1S94 from plans by Sha 11 er and Schniglau is the only remalinlng bridge of its kind, the three similar ones at Chicago having been removed. It has a clear opening of 70 feet, with a deck 43 feet wide and 65 feet above water. It has several times been repaired and strengthened, but is still in use. The Sixteenth street viaduct, 4,000 feet long, over the Menominee valley, contains an opening span with double leaves, built by the Wisconsin Bridge Company in 1895, from designs by their engineer, J. Geist, but patented September 28, 1893, by Max G. Schinke, assistant city engineer. It is of the type invented in 1862 by C. T. Guthrie for military purposes in spans of 10 to 40 feet, and developed later by Lieutenant J. C. A rdagh. I ts deck is 54 feet wide and 38 feet above water and when open the clear channel is 68 feet, tho the distance between pier centers is 88 feet. Each leaf weighs 65 tons, and they are latched under live loads. As the center of gravity of the whole mass moves back and forth in a horizontal line, the machinery is required to do no lifting, and it works easily, and opens in thirty seconds. The opening span cost $42,000. At the time of its construction George H. Benzenberg was city engineer. The Huron street bridge, built In 1896 by the Milwaukee Bridge and I ron Company, was designed by Max G. Schinke, HENRY GRATTAN TYRRELL, consulting bridge engineer, Evanston, III. and patented by him in March, 1SU5. It has two leaves, each 46 feet long, and a :!4-foot road with double outer walks. At each end are fixed approach spans of 87 and 42 feet. The river is 220 feet wide, but the channel is only 78 feet clear. Each leaf weighs 127 tons, including 50 tons of(Typographical errors above are due to OCR software and don't occur in the book.)

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1 Ocak 2020 J Saosa 1 Ekim 2020 20 x 20 x 20 cm Kolektif 1 Ocak 2018 Kollektif 17,8 x 0,6 x 25,4 cm CAROUSEL CALENDARS 1 x 13,5 x 21 cm 1 Ocak 2019 15,2 x 0,6 x 22,9 cm 1 Ocak 2017 1 x 13,5 x 19,5 cm 15,2 x 0,7 x 22,9 cm Collectif Derform 1 Eylül 2020

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