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[A man standing outside a building in Chihuahua, Mexico]

Description: Photograph of a man standing outside a building in Chihuahua, Mexico. The man carries a large object in one hand and is dressed in a hat, long-sleeved shirt, and overalls. The building behind the man has a row of arched openings along its side and faces a set of train tracks. Blue handwritten text, including the words "Seccion de Meza," occupy the back of the photograph.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Men standing along train tracks, on a cart and near a fence]

Description: Photograph of men standing along train tracks in the Chihuahua division of Mexico. The men are wearing hats, long-sleeved shirts, and pants or overalls and stand in front of a fence or atop a cart placed on the train tracks. Behind the men is a long brick building with archways along its side and trees planted nearby. Blue handwriting, including the words "Seccion de la Cruz," occupies the back of the photograph.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[A damaged building in Saucillo, Chihuahua]

Description: Photograph of a damaged building in Saucillo, Chihuahua in Mexico. Three men dressed in hats, long-sleeved shirts, and pants stand on and around a cart set atop a railroad. The building sits beyond the men and has multiple circles containing words marked on its outer walls. Blue handwriting occupies the back of the photograph.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Three men standing in front of a burned bridge]

Description: Photograph of three men standing in front of a burned bridge in the Chihuahua division of Mexico. The men wear hats, long-sleeved shirts, and overalls and face towards the viewer. In the background, a railroad runs parallel to the burnt bridge, which two men with a cart are positioned on top of. Blue handwriting occupies the back of the photo.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[The side of a train bridge]

Description: Photograph of the side of a train bridge in Chihuahua, Mexico. The bridge rises above sparse vegetation and extends from the right side of the image towards the left, disappearing into the distance. The text "Puente Ortiz Mayo 1929" and "Div Chihuahua Nacionales" are handwritten on the back of the photo, in blue ink.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Men standing on train tracks next to a building]

Description: Photograph of five men standing on train tracks next to a building labeled the "Santa Rosalia." One man stands on a cart sitting on the tracks while another man sits on a curb and the other three men stand. In the background, a man leans out of one of the Santa Rosalia's windows to talk to a man standing outside. Blue handwriting occupies the back of the photo.
Date: May 1929
Creator: Parlee, Lorena, 1945-2006
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
open access

Ocher and Ochery Earths

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.
Date: May 1929
Creator: Santmyers, R. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Report of the Twenty-First National Conference on Weights and Measures, 1928

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.
Date: May 1928
Creator: United States. National Bureau of Standards.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fiat C.R. 20 Pursuit Airplane

Description: The Fiat C.R. 20 has an all metal frame covered with fireproof fabric, except for the area near the engines, which is covered in duraluminum. It is armed with 4 machine guns and is capable of 280 KPH.
Date: May 1927
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Mureaux "Brunet 3C2" Pursuit Airplane

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. A description of the design, components, characteristics, flying qualities, drawings, and photographs are provided.
Date: May 1927
Creator: Serryer, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Meteore 63 Commercial Seaplane

Description: Societe Provencale de Constructions Aeronautiques, builder of the "Meteore 63" has constructed a three engine (biplane) seaplane which has met conditions for a seaworthy certificate of the first class. A description of the design, hull, tail, power plant, characteristics, performances, drawings, and photographs are provided.
Date: May 1927
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The effect of cowling on cylinder temperatures and performance of a Wright J-5 engine

Description: This report presents the results of tests conducted to determine the effect of different amounts and kinds of cowling on the performance and cylinder temperatures of a standard Wright J-5 engine. These tests were conducted in conjunction with drag and propeller tests in which the same cowlings were used. Four different cowlings were investigated varying from the one extreme of no cowling on the engine to the other extreme of the engine completely cowled and the cooling air flowing inside the co… more
Date: May 2, 1929
Creator: Schey, Oscar W. & Biermann, Arnold E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Training Airplane "Avia B.H. 11."

Description: Circular presenting a description of the Avia B.H. 11, which is a two-seat, low-wing monoplane with a plywood fuselage. The report describes the structural details and flight performance and provides blueprints and photographs of the aircraft.
Date: May 1927
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Fokker "Universal" Commercial Airplane

Description: Equipped with a Wright Whirlwind 200-230 H.P. Engine, the Universal can be configured with floats or wheels and seats 4-6 passengers. Details of the wings, power plant, cowling, tanks and fuel system, vision, cockpit and controls, cabin arrangements, landing gear, float gear, skis, tail skid, tail surfaces, finish, characteristics, drawings, and photographs are provided.
Date: May 1928
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Wind Tunnel Tests of Correction Formula for Wings of Large Span

Description: The theory (wing experiments in an artificial air stream are subject to error, due to the fact that the wing is not situated in an unlimited body of air) by means of which the given drag correction was obtained, was based on various assumptions (e.g., elliptical distribution of lift) which do not always hold true. For this reason it was desirable to test the equation for the additional drag in regard to its reliability and range of application.
Date: May 1924
Creator: Wieselsberger, C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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