Engine Components Appraisals

Edison Steam Pressure Gauge with Siphon Tube and Mount

Steam Power Stations by Gustaf A. Gaffert, 1946

Heavy Timber Construction, 2nd Edition by Fred R. Oberg

A Treatise on Masonry Construction, Tenth Edition by Ira Osborn Baker (1909)

Cable-Stayed Bridge at Night

The Design and Construction of Ships, Vol. II by John Harvard Biles

2 Cents John Adams US Postage Stamp