65
and about 11 percent to manufactures destined for export;
slightly more than 50 percent was being devoted to elec
trical industries (such as generators, motors, electrical
locomotives, switchboards, light bulbs, telephones and
telegraphs, light and power lines--transmission and
distribution wire and bus bars, and other wire and
receiving sets). The remainder was devoted to other
manufactures including wire cloth, ammunition, castings,
clocks and watches, coinage, copper-bearing steel, fire
fighting apparatus, radiators, railway equipment, ship
building, water heaters, refrigerators, and washing
2b
machines.
The percentages of copper going to each end
use remained remarkably stable throughout the 1920s and
1930s, Electrical industries accounted for 52 percent
of domestic copper consumption in 1939, automobiles for
11 percent, buildings for 11 percent, manufactures for
export 6 percent, and other manufactures for 20 percent.
Even during the depths of the Great Depression in 1933
the proportions going to each domestic end use remained
26
almost exactly the same.
2?
Harold Barger and Sam H. Schurr, The Mining
Industries, 1899-1939. A Study of Output. Employment and
Productivity fNew York: National Bureau of Economic
Research, Xnc., 1944), p. 359, Table A-ll.
25
26
Minerals Yearbook. 1932-33. p. 45.