Scientific American. 326 [NOVEMBER 20, 1880. CENTER TURNING ATTACHMENT FOR LATHES. a central beam secured to a common beam cen- The engraving shows a handy little tool for ter. It will be seen that the vibrating levers are … 2 shows the manner of placing the tool in the by a vertical lifting rod, which passes freely lathe. It will beseen that the device is virtually through an opening in the central beam. By a slide rest fixed at the required angle and car- means of a bell crank actuated by a short con- necting rod…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Original microscopic drawings made between the years 1824 and 1840 mostly published in works by Dr. Goring & A. Pritchard [graphic]. (1824)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b21301177-83-1.webp)
