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Two People Walking in Field; Trucks Parked in Field; Train Traveling Across Field; Truck Convoy Traveling Across Field

Description: Copy negative of four pictures. One is of some trucks parked in a field. One is of two men walking across a field facing away. One is of a convoy of trucks crossing the field with mountains in the background. One is of a train crossing the field with mountains in the background.
Date: unknown
Item Type: Refine your search to only Photograph
Partner: Hardin-Simmons University Library

Automatic Train Stop

Description: Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date: May 21, 1918
Creator: Bulla, Melbern B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[El Paso Union Depot Train Station]

Description: Photograph of San Francisco Street, El Paso, Texas, looking west towards Union Depot Station. A series of businesses line the street to the left. The El Paso Union Depot and its bell tower can be seen at the end of the street.
Date: [1940..1949]
Creator: Escontrías
Item Type: Refine your search to only Photograph
Partner: El Paso Public Library

Switch-Stand

Description: Patent for switch stands. The improvement is to provide a mechanism in connection with stands of the character specified for moving the points of a switch to deflect trains from the main track on to the switch, wherein locking mechanism is provided for locking the switch points in safety or main line position and connected to the operating mechanism for moving the points in such manner that when operating arm for the switch is moved into the inoperative position after returning the points to th… more
Date: September 21, 1915
Creator: Philips, Smith F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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