Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 185
usually sold in pairs, as they can be mounted together and thusmill off both sides of a piece of work, similar to a holt head, andare, tlicrcfore, called heading or straddle mills. If two cutters of the same diameterare mounted together, it is ditlicult tomill a surface which will not show thepoint…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
