Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 434
e taken that the piles be driven sufficiently deep intothe lower strata to secure their ends from slipping laterally, and soundingsshould be made carefully to ascertain the dip and character of these strata. Inmany places, from the hardness and the inclined position of the lower strata,this kind of… … 418 ENGINEERING DRAWING. the foundation, which is surrounded by a row of sheet-piling to prevent the escapeof the soil; the space between the pile-heads is then filled to the depth of severalfeet with stones or concrete, and the whole is covered with a timber platform. It is very difficult to…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-869-563.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-87-31.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-339-137.webp)
