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 Decade: 1920-1929
 Collection: Technical Report Archive and Image Library
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
The Francois Villiers marine pursuit airplane

The Francois Villiers marine pursuit airplane

Date: April 1, 1927
Creator: Serryer, J
Description: A traditional biplane design allows this craft to function with the speed and maneuverability necessary to perform as a pursuit aircraft while also being able to land on water. It featured retractable landing gear for water landings. It was powered with a 450 HP. Lorraine-Dietrich engine.
Contributing Partner: UNT Libraries Government Documents Department
The Westland IV commercial monoplane (British)three "Cirrus III" engine

The Westland IV commercial monoplane (British)three "Cirrus III" engine

Date: April 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Short "Calcutta" : first British all-metal commercial seaplane

The Short "Calcutta" : first British all-metal commercial seaplane

Date: March 1, 1928
Creator: unknown
Description: The Calcutta is a large seaplane, with seating for 16 and a payload of 3,400 pounds.
Contributing Partner: UNT Libraries Government Documents Department
Bleriot-Spad 91 Airplane (French) : pursuit single-seater, type "Jockey"

Bleriot-Spad 91 Airplane (French) : pursuit single-seater, type "Jockey"

Date: May 1, 1928
Creator: SOCIETE BLERIOT-AERONAUTIQUE
Description: This aircraft has announced a speed of 270 km per hour at 4000 m. It is of all metal construction.
Contributing Partner: UNT Libraries Government Documents Department
Lockheed "Vega" airplane : a commercial cabin monoplane

Lockheed "Vega" airplane : a commercial cabin monoplane

Date: November 1, 1927
Creator: unknown
Description: The Vega is a high wing monoplane suitable for commercial purposes. It can seat 6 passengers or 100 cubic feet of cargo.
Contributing Partner: UNT Libraries Government Documents Department
The Westland "Widgeon III" "Cirrus II: or "Genet II" engine

The Westland "Widgeon III" "Cirrus II: or "Genet II" engine

Date: August 1, 1927
Creator: unknown
Description: The Widgeon III is a parasol type monoplane. One of it's strongest features was the high degree of visibility available to the pilot.
Contributing Partner: UNT Libraries Government Documents Department
The Mureaux "Brunet 3C2" pursuit airplane

The Mureaux "Brunet 3C2" pursuit airplane

Date: May 1, 1927
Creator: Serryer, J
Description: Designed by Engineer Brunet, the 3C2 is an all metal monoplane with two engines and provision for six machine guns and 12 10 Kg. bombs.
Contributing Partner: UNT Libraries Government Documents Department
The Armstrong Whitworth "Starling" (British) : (single seat fighter)

The Armstrong Whitworth "Starling" (British) : (single seat fighter)

Date: September 1, 1928
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department