Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 494
488 PILE, SCREW, AND SCREW MOORING. The cast-iron screw socket-points, fig. 30G9, have recently been very successfully applied for the supporting posts or columns of timber-sheds and buildings for railway stations and other purposes. Fig. 3072 shows the applicability to smaller objects, and a…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
