Metal History Flashcards
copper discovered in
3000BC
copper w small amounts of tin
bronze
bronze age
3000-1200BC
how iron was used in florence cathedral
1463 Brunelleschi iron chains to prevent dome spreading
how iron was used in St. Peters Cathedral
1585 Michelangelo iron chains to prevent dome spreading
how iron was used in Versailles
1664 cast iron pipes supply to gardens
caused wide spread use of iron pre industrial revolution
Abraham Darby
Abraham Darby used coke for smelting in
1709
substituting coke for charcoal eliminated
impurities = stronger
first major use cast iron structural elements. who + when
Abraham Darby III, 1779
bridge over river Severn. Coalbrookdale, England.
is an example of the first major use of
cast iron structural elements.
iron columns were first used at
English cotton mills,
early 1800’s
significance of Salford, Manchester cotton mill: (Matthew Boulton + James Watt)
first use iron columns,
& i-beams for entire building.
still used exterior masonry bearing walls.
prefab parts and plate glass,
completed only 9 months.
Crystal Palace
1851, London.
Eiffel Tower,
and Halle des Machines, at the ____ in ____.
Paris Exhibition 1889
Contribution of Henry Bessemer
1856 making steel inexpensively. first for railroads. better quality steel. lower carbon content.
the “openhearth process”
shortened production time.
allowed scrap iron use,
in large quantities.
James Bogardus constructed 5 storey factory NY 1848.
significance:
exterior cast iron columns.
Age: 1850–late 1880’s in USA. NY, Chicago, St.Louis, etc.
“Cast Iron Age”
1885 William Le Baron Jenney.
significance:
first skyscraper.
first skyscraper:
Home Insurance Building, Chicago. 10-stories.
Home Insurance Building, Chicago used this technology:
cast iron columns int/ext
and new Bessemer steel girders.
Leiter Building, Chicago.
8-stories.
Significance:
one expression arch/engineering construction.
skeletal frame determined form,
first to make material,
and structural purpose,
part of the form of the building.
mies
IIT 1939+
860 Lake Shore Drive apartments 1951
mies