su- racks presented obstacles which could not perstructure can be fastened. be overcome by the use of the ordinary In soil that is alternately wet and dry. pile—obstacles due to the constantly these piles are obviously able to provide cnanging condition of the ground, which a permanent foundation,… … and lock at Sharpness Point and ending tained by driving the outer tube deep at the docks in Gloucester, where there enough into the ground; and obviously that outer tube can be removed with but is another lock communicating with the Severn. The original cost was about a fraction of the force…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-74-30.webp)
