Vintage engraving of men charging the shaft furnace, 19th Century [b]View More:[/b] [url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=10203398][img]http://www.walker1890.co.uk/istock/istock-mach.jpg[/img][/url][url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=2789749][img]http://www.walker1890.co.uk/istock/istock-engraving.jpg[/img][/url] Industrial Building Victorian Style Coke Furnace
Vintage engraving of men loading a grate furnace with fuel, 19th Century [b]View More:[/b] [url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=10203398][img]http://www.walker1890.co.uk/istock/istock-mach.jpg[/img][/url][url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=2789749][img]http://www.walker1890.co.uk/istock/istock-engraving.jpg[/img][/url] Old Styles Equipment Grate Furnace
circa 1875: Siemens' steel melting furnace, using open hearth technology. (Photo by Hulton Archive/Getty Images) Innovation Arts And Entertainment People Siemens' Furnace
This illustration depicts a man working on a furnace blower motor. Furnace Boiler Repairing Furnace Man
Vintage engraving from 1867 of a Pottery Furnace [b]View More:[/b] [url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=10203398][img]http://www.walker1890.co.uk/istock/istock-mach.jpg[/img][/url][url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=2789749][img]http://www.walker1890.co.uk/istock/istock-engraving.jpg[/img][/url] Ilustration Furnace Craft Pottery Furnace