{"product_id":"x-keine-angabe-public-works-1920-vol-48-classic-reprint-9780365904847","title":"Public Works, 1920, Vol. 48 (Classic Reprint)","description":"Excerpt from Public Works, 1920\u0026lt;br\/\u0026gt;\u0026lt;br\/\u0026gt;All of this deposit was flushed back into the river. The periods between cleanings of the grit chamber varied from 4 to 14 days. Of the other suspended matter, collected in the basins, about tons was removed by laborers and teams and the remainder was ?ushed out through the sewer by opening the mud gates about 6 inches for a half-hour period at varying inter vals. The removal by teams from the five basins cost or cents per cubic yard.","brand":"Forgotten Books","offers":[{"title":"Default Title","offer_id":53710242349398,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9780365904847_1_df160a90-5431-4232-9676-f4c9c67dfd04.jpg?v=1781763753","url":"https:\/\/www.momoxbooks.com\/products\/x-keine-angabe-public-works-1920-vol-48-classic-reprint-9780365904847","provider":"momoxbooks","version":"1.0","type":"link"}