Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 395
■_ B HI :<V<T M^IBT-1 rfJ-iS1 r&Q MM 1-1 i I i I -/ Scale.—8 feet=l inch. … Bcale.—4 feet=3 inches. DREDGING, AND DREDGING-MACHINES. 393 buckets only having been employed in the performance, with a weight of three pounds and a half pelsquare inch upon the safety-valve of the boiler. It may be remarked, in conclusion, that the boat is supplied with a bilge-pump for…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-95-193.webp)
