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 Decade: 1920-1929
 Year: 1929
 Collection: Technical Report Archive and Image Library
Survey of Gravities of Domestic Crudes

Survey of Gravities of Domestic Crudes

Date: April 1929
Creator: Hopkins, G. R. & Coons, A. B.
Description: Report on the comparative gravities of oil extracted from different regions of the United States.
Contributing Partner: UNT Libraries Government Documents Department
Ocher and Ochery Earths

Ocher and Ochery Earths

Date: May 1929
Creator: Santmyers, R. M.
Description: Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Twenty-Second National Conference on Weights and Measures, 1929

Report of the Twenty-Second National Conference on Weights and Measures, 1929

Date: 1929
Creator: United States. National 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
Revision of the American Chipmunks: (Genera Tamias and Eutamias)

Revision of the American Chipmunks: (Genera Tamias and Eutamias)

Date: November 1929
Creator: Howell, Arthur H.
Description: Brief summary of the geographic distribution, life history, and subgenera of genera Tamias and Eutamias.
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
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 "Potez 33" military airplane (French)

The "Potez 33" military airplane (French)

Date: June 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Amiot S.E.C.M. 110 C.1 : a single-seat pursuit monoplane

The Amiot S.E.C.M. 110 C.1 : a single-seat pursuit monoplane

Date: July 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Bernard 20 C.1 (French) : a single-seat pursuit monoplane

The Bernard 20 C.1 (French) : a single-seat pursuit monoplane

Date: July 1, 1929
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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