Jars, 1774, plate 1 – from Gabriel Jar’s ‘Voyages Metallurgiques’, of charcoal furnaces in Styria, Austria.

plate 1: Styria, Austria
Jars, 1774, plate 2 – from Gabriel Jar’s ‘Voyages Metallurgiques’, of charcoal furnaces in Treybach, Corinthia.

plate 2: Treybach, Austria
Jars, 1774, plate 3 – from Gabriel Jar’s ‘Voyages Metallurgiques’, of charcoal furnaces in Johan-Georgen-Stadt, in Saxony, Germany.

plate 3: saxony, Germany
Jars, 1774, plate 4 detail – from Gabriel Jar’s ‘Voyages Metallurgiques’, of a plan and sections of Laurwig charcoal furnace in Norway.


plate 4: Norway
Vertical section, 1826 – cross section of a coke blast furnace. From Strickland’s report to the Pennsylvanians showing the coking of coal. William Strickland was sent from America to gather information from England. This sketch is from his report published for the Pennsylvania Society for the Promotion of Internal Improvements.

Vertical section