Memoirs of the most eminent American mechanics : also, lives of distinguished European mechanics : together with a collection of anecdotes ... relating to the mechanic arts : illustrated by fifty engravings (1852)
Howe, Henry, 1816-1893, New York Museum of Science and Industry. Library · New York : Harper & Brothers · leaf 442
he shaft was continued to sixty-four feet,by underlaying, leaving the space in the side open for the hori-zontal work. A well, or cistern, twenty-five feet diameter, wasfurther made at the bottom of this shaft, for draining the ground;but in sinking it a quicksand suddenly burst upon the work.… … LONGITUDINAL SECTION OF THE THAMES TUNNEL, Showing its course under the River.
Industrial arts · Inventors
Internet Archive · New York Public Library · Public Domain Mark 1.0. Free to use for anything.
