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Safety Device for Railways.

Description: Patent for a safety device for railways that stops trains if they enter a danger zone, which indicates that the train is to close to another train.
Date: October 3, 1911
Creator: Mitchell, Charles B.
Partner: UNT Libraries Government Documents Department

Calvert 1911 Sheet 1

Description: Sanborn map sheet showing an area of Calvert in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Calvert 1911 Sheet 4

Description: Sanborn map sheet showing an area of Calvert in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Calvert 1911 Sheet 3

Description: Sanborn map sheet showing an area of Calvert in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Calvert 1911 Sheet 2

Description: Sanborn map sheet showing an area of Calvert in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Calvert 1911 Sheet 5

Description: Sanborn map sheet showing an area of Calvert in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Hearne 1911 Sheet 4

Description: Sanborn map sheet showing an area of Hearne in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Hearne 1911 Sheet 2

Description: Sanborn map sheet showing an area of Hearne in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Hearne 1911 Sheet 1

Description: Sanborn map sheet showing an area of Hearne in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Hearne 1911 Sheet 3

Description: Sanborn map sheet showing an area of Hearne in Robertson County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1911
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History