Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 794
the. arms i i and the inner part of the ring h hWithin this outer ring a platform of timber is laid, resting upon and fastened to the arms kh, the bouholes being shown in the figure ; upon this platform the rails of the road are placed- «n. Tig. 3680 TURN-TABLE. ■ N.) of which i~ level with the top… … We have said that the t>>p of tl c turn-table is covered.with timber, on which the rails/orming tharailway is laid; in many cases the top is formed of cast-iron, the rails being raised a little above thesurface of the cast-iron plate.
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
