The metal worker's handy-book of receipts and processes : being a collection of chemical formulas and practical manipulations for the working of all the metals and alloys including the decoration and beautifying of articles manufactured therefrom, as well as their preservation (1890)
Brannt, William T. (William Theodore), 1844- · Philadelphia : H. Carey Baird & Co. ; London : Sampson Low, Marston, Searle & Rivington · leaf 264
266 TITE METAL WORKER’S HANDY-BOOK, met with which cannot be scoured longitudinally, a twisting motion is imparted to the tool. Circular scratch-brushes in which the wires are arranged radially are used for scouring articles that admit of their use, such as table ware and plated wares in general.… … are attached to the spindle of a lathe, and the wires consequently all receive a uniform motion in the same direction. The scratch¬ brush lathe shown in Fig. 17 consists of a circular brush of brass wires, with a metal or wooden case, mounted upon a spindle run¬ ning in two bearings, and driven…
Metal-work · Metals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Lecture on spiritualism : delivered before an audience of three thousand, at the Tabernacle, in the City of New York, in November 1855 : comprising an account of the manifestations which induced the author's conversion to spiritualism, and confirmed his hope of immortality / by Professor Hare ; [introductory remarks by Mr. Brittan]. (1855)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b21126550-12-1.webp)
