Architectural iron and steel, and its application in the construction of buildings ... specifications of ironwork ... tables selected expressly for this work ... by Wm. H. Birkmire (1905)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York, J. Wiley · leaf 106
at a pressure of from 60 to 100pounds to the inch. The effect of thissteam on the iron exposed to its action isto convert its surface into magnetic oxideof iron. Galvanizing, the modern version oftinning applied to iron, is a valuable pro-cess. Galvanizing and good oil gildingright over the surface… … Wrought-iron Balcony Railing. For some work, oiling or varnishing, or an application ofthin Berlin black, may be sufficient.
Building, Iron and steel
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