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Belden, A. W.

1877

  • Foundry-cupola gases and temperaturesFoundry-cupola gases and temperatures
  • Washing and coking tests of coal at the fuel-testing plant, Denver, Colo., July 1, 1907, to June 30, 1908Washing and coking tests of coal at the fuel-testing plant, Denver, Colo., July 1, 1907, to June 30, 1908