The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 408
ng department of everyone engaged in the above pursuits,—as multiplying power, re-ducing labour, and increasing disjiatch. It is contrived in butfew parts, and breakage or derangement appears impossible. Thecost of the instrument is two guineas. NEW LEVER VICE. The accompanying cut and description… … Greater strength than any other vice of equal weight possesses.Greater power, and so applied as to save, in work requiring fre-quent changes, at least one hour in ten, as it is worked entirely bythe foot, without the necessity of laying down a file, or other tool,or without any use of the hand,…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
