f the length and width, and supported by four legs, the flooring, 7, and screen, 7, there are made which the injured part rests, and the plate, cross-piece, 5, and at each side of the semi- a. To the upper surface of the platform, A, holes or traps, , which may be provided D, of said plane is… … are closed, and when the flooring, Z,is cov- aperture, c, there are are attached by hinges, each leg plane there is attached a metal then made by moving out the plate, D, and ered, the door, o, is closed, and the doors, 7’, guide, 7, in which a rack, m. works, the outer e, cast-iron plates, C C,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-965-435.webp)
