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  • All fields: underfeed
(18 results)



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    • Furnace room at The Swedish Hospital, Minneapolis, Minnesota

    • 1900 - 1930
    • This coal furnace at The Swedish Hospital in Minneapolis featured two Detroit multiple retort underfeed stokers with two 300 horsepower boilers manufactured by Brothers Weatherbee.
    • Hennepin Medical History Center
    • Skillings' Mining Review, Volume VIII, Number 24

    • 1919-11-01
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume IX, Number 37

    • 1921-01-29
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Minnesota Dairyman, Volume III, Number 7, September 1908

    • 1908-09-01
    • Minnesota Dairyman, Vol. III, No. 7, September 1908. Cover features a photograph of Hon. J. R. Morley, secretary of the Minnesota State Dairyman's Association, of Owatonna, Minnesota. Cover story: The Scores, Butter and Cheese Scores at Minnesota...
    • Northfield Historical Society
    • Skillings' Mining Review, Volume IX, Number 18

    • 1920-09-18
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VIII, Number 32

    • 1919-12-27
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Northern States Power Company Report for the Year Ended December 31, 1920

    • 1921-04-09
    • Annual report of financials and list of power plants owned by NSP. The cost of coal in 1920 absorbed 24.07% of gross earnings. To offset this postwar inflation, NSP raised gas and electric rates. Preliminary work began on an additional 25,000...
    • Hennepin County Library, James K. Hosmer Special Collections Library
    • Annual Report Northern States Power Company for the Year Ended December 31, 1919

    • 1920-04-27
    • Report has the report of the treasurer with all of the company's financial information. Also included is power generation statistics for the various geographical divisions managed by NSP. The Minneapolis Division was supplied by 4 hydroelectric...
    • Hennepin County Library, James K. Hosmer Special Collections Library
    • Skillings' Mining Review, Volume VII, Number 38

    • 1919-02-08
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 49

    • 1922-04-22
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume IX, Number 7

    • 1920-07-03
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 27

    • 1921-11-19
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Minnesota Dairyman, Volume V, Number 3, May 1910

    • 1910-05-01
    • Minnesota Dairyman, Vol. V, No. 3, May 1910. Cover features a photograph of a man sitting on the back of a bull or steer. Cover story: Minnesota's Dairying Interests, by Prof. A. J. McGuire, An Address Delivered Before the Minnesota Live Stock...
    • Northfield Historical Society

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