Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 356
the barrel s, the truck t, and consequently the load suspended onthe chain, may be moved in the direction i or j, at the same time that the longitudinal motion is impart-ed to the whole platform by the roller k. CRANES. 349 Fig. 1023 represents an elevation and fig. 1024 a plan of a moveable crane,… … Scale.—8 feet=l inch. This crane has been used for hoisting stone weighing from ten to fifteen thousand pounds, at theextremity of the arm, which describes a circle of fifty feet diameter. It has also been used with an out-rigger, by which stones from three to five tons weight were hoisted ten feet…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Description abregée des principaux arts et metiers et des instrumens qui leurs sont propres. Le tout détaillée par figures / [Anon]. (1743)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b30409482-93-1.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-229-169.webp)
