rr.oNT view SIDE VIEW. GUNPOWDER PIL E-D RIVER. or IN cities, where made-groundnaturally soft and deep bottom areso frequently met with, pile-driving is anecessity, and the engine hitherto madeuse of for this purpose, although me-chanically simple, has so retarded theoperations of building by its…
Architecture
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Port-folio] (1898)](https://img.insideoutlibrary.com/img/200/ia-portfolio00conk-26-19.webp)
