Search Results - Howarth, H. C. (Henry C.), 1879-

Refine Results
  1. 1
    Cover Image

    Control of a small mine fire with rock dust / by Howarth, H. C. (Henry C.), 1879-

    Published 1929
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  2. 2
    Cover Image

    Tests with rock dust for extinguishing fire / by Howarth, H. C. (Henry C.), 1879-

    Published 1927
    Government Document Book

    Save to List
    Saved in:
  3. 3
    Cover Image

    Tests in the Experimental coal mine determine requirements for preventing propagation of coal-dust explosions in rooms / by Howarth, H. C. (Henry C.), 1879-

    Published 1948
    Government Document Book

    Save to List
    Saved in:
  4. 4
    Cover Image

    Compression tests of roof-salt slabs supported by potash salt pillars / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1938
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  5. 5
    Cover Image

    Tests of a barrier using rock dust in paper bags / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1938
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Book

    Save to List
    Saved in:
  6. 6
    Cover Image

    Experiments on multiple short-delay blasting of coal (in two parts) : part I / by Hartmann, Irving, 1905-

    Published 1952
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Conference Proceeding Book

    Save to List
    Saved in:
  7. 7
    Cover Image

    Experiments on safety of incombustible plugs for stemming explosives / by Hartmann, Irving, 1905-

    Published 1950
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  8. 8
    Cover Image

    Experiments on strength of small pillars of coal in the Pittsburgh bed / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1939
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Book

    Save to List
    Saved in:
  9. 9
    Cover Image

    Progress report : experiments on strength of small pillars of coal in the Pittsburgh bed / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1941
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  10. 10
    Cover Image

    Tests of salt as a substitute for rock dust in prevention of coal-dust explosions in mines / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1940
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  11. 11
    Cover Image

    Tests on the control of coal-mine fires in the experimental coal mine / by Nagy, John

    Published 1950
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  12. 12
    Cover Image

    Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine. by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1949
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Book

    Save to List
    Saved in:
  13. 13
    Cover Image

    Control of small mine fire with rock-dust

    Published 1929
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  14. 14
    Cover Image

    Control of small mine fire with rock-dust.

    Published 1929
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  15. 15
    Cover Image

    Tests of the compressibility and bearing strength of potash salt / by Greenwald, H. P. (Harold Putnam), 1893-

    Published 1937
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Book

    Save to List
    Saved in:
  16. 16
    Cover Image

    Characteristics of fuel pitches and their explosibility in pulverized form / by Hartmann, Irving, 1905-

    Published 1940
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Book

    Save to List
    Saved in:
  17. 17
    Cover Image

    Rock-dust barriers for coal mines / by Rice, George S. (George Samuel), 1866-1950

    Published 1929
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  18. 18
    Cover Image

    Tests with rock dust for extinguishing fire

    Published 1927
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  19. 19
    Cover Image

    Some experiments on the initiation of coal-dust explosions by gas explosions / by Rice, George S. (George Samuel), 1866-1950

    Published 1930
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  20. 20
    Cover Image

    Tests of the strength of concrete stoppings designed to resist the pressure of explosions in coal mines / by Rice, George S. (George Samuel), 1866-1950

    Published 1930
    Other Authors: “…Howarth, H. C. (Henry C.), 1879-…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
Search Tools: RSS Feed – Save Search