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Signal Valve for Boilers.

Description: Patent for a new and improved signal valve for boilers. This design "consists in the combination, with a check-valve, of the ordinary construction, which is adapted to operate in connection with an inspirator, injector, or jet-pump, such as are commonly employed for feeding steam-boilers, of a signal-valve which is located above the check-valve, and which signal-valve, when the check-valve ceases to operate, is caused to open by the backward pressure of the steam from the boiler, permitting the escape of said steam, and thereby indicating that the feeder is not operating" (lines 14-26).
Date: February 24, 1885
Creator: McLane, Reed Atchinson
Partner: UNT Libraries Government Documents Department

Queen City 1890 Sheet 1

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1890
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Queen City 1901 Sheet 1

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1901
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

[Train Engine #906 and Cars]

Description: Photograph of train engine #906 and attached cars on railroad tracks, viewed from a front side angle. The text "906" is visible on the front of the engine. Electrical poles line the tracks on either side, with flat grassy land spreading out around. Handwritten text below the image says, "T&P #906 near Queen City, Texas 1938."
Date: 1938
Creator: Vollrath, H. K.
Partner: The Grace Museum

Queen City 1885 Sheet 1

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1885
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Queen City 1906 Sheet 1

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1906
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Queen City 1906 Sheet 2

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1906
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Queen City 1890 Sheet 2

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1890
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Queen City 1896 Sheet 1

Description: Sanborn map sheet showing an area of Queen City in Cass County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1896
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

[T&P Train #706]

Description: Photograph of T&P train #706 on tracks at Queen City, Texas with a large plume of white smoke rising from the engine. Written below the image are "[sic] T&P #706 on Train No. 208 the 'Mail Train' at Queen City, Texas March 28th 1937" and "A .E. Brown Photo / Louis Saillard Collection."
Date: March 28, 1937
Creator: Brown, A. E.
Partner: The Grace Museum

[T&P Train #617]

Description: Photograph of T&P train #617 moving in Queen City, Texas with a faint plume of smoke rising from the engine. Written underneath the image are "Queen City, Texas Dec 1937" and "H. K. Vollrath."
Date: December 1937
Creator: Vollrath, H. K.
Partner: The Grace Museum

[Train Engine #902 and Cars - Queen City, Texas]

Description: Photograph of a train engine and attached cars on railroad tracks, viewed from a front side angle. "902" is visible on the front of the engine. Smoke billows out of the front chimney. Bushy grass fills the landscape around. Electrical poles line the tracks on the left side. Handwritten text below the image says, "T&P #902 with Train No. 7 at Queen City, Texas May 18th 1937."
Date: May 18, 1937
Creator: Brown, A. E.
Partner: The Grace Museum

[Train Engine #667 and Cars]

Description: Photograph of train engine #667 and attached cars on railroad tracks, viewed from the front. "667" is visible on the front of the engine. Electrical poles line the grass on the right side of the tracks. Trees stand in the back to the left. Handwritten text below the image says, "Queen City, Texas Mar.1936.'"
Date: March 1936
Creator: Vollrath, H. K.
Partner: The Grace Museum