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 Decade: 1920-1929
 Collection: Technical Report Archive and Image Library
The Legendary "White Metal" and its "Ore"

The Legendary "White Metal" and its "Ore"

Date: December 1925
Creator: Davis, C. W.
Description: Report concerning stories about claims of a "white metal" extracted from an "ore" found packed around pieces of iron or steel. It includes information about various tests conducted about the validity of these claims and their findings.
Contributing Partner: UNT Libraries Government Documents Department
Future Timber Supply for Coal Mines: What One Company is Doing

Future Timber Supply for Coal Mines: What One Company is Doing

Date: November 1926
Creator: Tracy, L. D.
Description: Report discussing a case study of a coal company in Western Pennsylvania to show how mining companies might decrease their timber bills.
Contributing Partner: UNT Libraries Government Documents Department
What is Known about the Effect of Smoke on Health

What is Known about the Effect of Smoke on Health

Date: December 7, 1926
Creator: White, William Charles
Description: From title page: "For some years the Bureau of Mines, in connection with its investigations relating to efficiency in the combustion of fuels, as been engaged in a study of smoke prevention. Popular support for such work is usually based upon the injurious effects of smoke on the human ssytem, and this paper is published as a contribution to the literature dealing with that subject."
Contributing Partner: UNT Libraries Government Documents Department
Recovery of Gold from Black Sand Tailings

Recovery of Gold from Black Sand Tailings

Date: October 1920
Creator: Gross, John
Description: Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.
Contributing Partner: UNT Libraries Government Documents Department
The Recovery of Unburned Fuel from Boiler Furnace Refuse

The Recovery of Unburned Fuel from Boiler Furnace Refuse

Date: September 1921
Creator: Fraser, Thomas & Yancey, H. F.
Description: Report on recovering unburned fuel from boiler furnace refuse, based on processes used in Europe and tests in the United States.
Contributing Partner: UNT Libraries Government Documents Department
Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations

Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations

Date: June 1920
Creator: Harrington, D.
Description: Report on mine ventilation and its relation to safety and efficiency.
Contributing Partner: UNT Libraries Government Documents Department
Carbon Tetrachloride Extinguisher of Electric Fires

Carbon Tetrachloride Extinguisher of Electric Fires

Date: July 1923
Creator: Katz, S. H.; Gleim, E. J. & Bloomfield, J. J.
Description: Report discussing "the extent and nature of the hazards to firefighters from gases and smoke resulting from the application of carbon tetrachloride extinguisher to electric arcs, burning insulation or fires such as may occur in electrical apparatus and machinery. The experiments described were made for the purpose of determining the nature of gases and smoke and ascertaining their toxic properties" (p. 1).
Contributing Partner: UNT Libraries Government Documents Department
Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

Date: June 1923
Creator: Katz, S. H. & Bourquin, J. J.
Description: Report providing information about the most appropriate kinds of breathing apparatus -- gas masks, hose masks, or self-contained oxygen-breathing apparatus -- to use in different situations.
Contributing Partner: UNT Libraries Government Documents Department
National Electrical Safety Code, 4th edition

National Electrical Safety Code, 4th edition

Date: 1927
Creator: unknown
Description: Fourth edition of the United States Electrical Safety Code.
Contributing Partner: UNT Libraries Government Documents Department
Discussion of the National Electrical Safety Code: (to Accompany the Third Edition of the Code), October 31, 1920

Discussion of the National Electrical Safety Code: (to Accompany the Third Edition of the Code), October 31, 1920

Date: 1921
Creator: unknown
Description: Discussion of the updated rules in the third edition of the National Electrical Safety Code.
Contributing Partner: UNT Libraries Government Documents Department
Motor-Vehicle Headlighting

Motor-Vehicle Headlighting

Date: August 5, 1925
Creator: Carlson, R. E.
Description: A report on the necessity of improved motor-vehicle lighting.
Contributing Partner: UNT Libraries Government Documents Department
National Bureau of Standards: its functions and activities

National Bureau of Standards: its functions and activities

Date: October 29, 1925
Creator: unknown
Description: A report on the functions of the National Bureau of Standards.
Contributing Partner: UNT Libraries Government Documents Department
Tables of thermodynamic properties of ammonia

Tables of thermodynamic properties of ammonia

Date: April 16, 1923
Creator: unknown
Description: A report containing tables of thermodynamic properties of ammonia.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1922

Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1922

Date: 1922
Creator: Stratton, S. W.
Description: Annual report of the director of the U.S. National Bureau of Standards discussing the staff, facilities, and activities of the agency during the fiscal year 1921-1922.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Nineteenth National Conference on Weights and Measures, 1926

Report of the Nineteenth National Conference on Weights and Measures, 1926

Date: 1926
Creator: United States. Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Performance of B. M. W. 185-Horsepower Airplane Engine

Performance of B. M. W. 185-Horsepower Airplane Engine

Date: April 13, 1922
Creator: Sparrow, Stanwood Willston
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Mollier Chart of Properties of Ammonia, 1923

Mollier Chart of Properties of Ammonia, 1923

Date: May 1, 1923
Creator: United States. Bureau of Standards.
Description: Mollier chart of properties of ammonia.
Contributing Partner: UNT Libraries Government Documents Department
Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission

Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission

Date: March 10, 1926
Creator: United States. Bureau of Standards.
Description: Strain lines illustrations from Delaware River Bridge.
Contributing Partner: UNT Libraries Government Documents Department
Operation and Care of Vehicle-Type Batteries

Operation and Care of Vehicle-Type Batteries

Date: June 7, 1920
Creator: Vinal, George W.
Description: Manual for operation and care of storage batteries for use in Army depots.
Contributing Partner: UNT Libraries Government Documents Department
Analyses of Virginia Coals

Analyses of Virginia Coals

Date: 1926
Creator: Eby, J. Brian, (James Brian), 1896-; Campbell, Marius Robinson, 1858-1940; Paul, J. W.; Fieldner, Arno Carl, 1881-1966; Cooper, Harry Mac, 1882-; Osgood, F. D., 1888-1935 et al.
Description: Report containing several articles discussing coal in the state of Virginia. These articles cover geographic deposition of coal, coal production, mining methods, and analyses of coal samples. Index begins on page 71.
Contributing Partner: UNT Libraries Government Documents Department
Permissible Explosives, Mining Equipment, and Apparatus Approved Prior to January 1, 1924

Permissible Explosives, Mining Equipment, and Apparatus Approved Prior to January 1, 1924

Date: 1924
Creator: Crawshaw, John Edward, 1880-; Ilsley, L. C., 1880-; Parker, Dorsey J. & Fieldner, Arno Carl, 1881-1966
Description: Report documenting mining explosives, equipment, and breathing apparatuses approved by the United States Bureau of Mines prior to January 1, 1924.
Contributing Partner: UNT Libraries Government Documents Department
Morane-Saulnier 180 light airplane (French) : a single-seat training monoplane

Morane-Saulnier 180 light airplane (French) : a single-seat training monoplane

Date: March 1, 1929
Creator: unknown
Description: Equipped with a 40 HP Salmson engine, it is a single seat parasol type construction.
Contributing Partner: UNT Libraries Government Documents Department
Nieuport-Delage 640 (French) : commercial high-wing monoplane

Nieuport-Delage 640 (French) : commercial high-wing monoplane

Date: March 1, 1929
Creator: unknown
Description: The Nieuport Delage 640 is a single engine commercial high-wing monoplane of all wood construction, including the fuselage and tail. It's landing gear is hinged in two parts.
Contributing Partner: UNT Libraries Government Documents Department
Liore-Olivier airplane : type 12 night-bomber or type 20 commercial

Liore-Olivier airplane : type 12 night-bomber or type 20 commercial

Date: March 1, 1926
Creator: Serryer, J
Description: None
Contributing Partner: UNT Libraries Government Documents Department