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Electric Switch For Street-Railways.
Patent for an electric switch for street railways. This invention allows for the operation of switches of the track from the car, so the operator can turn the switches without stopping the car.
Date:
January 30, 1906
Creator:
Posey, James A.
Object Type:
Patent
System:
The Portal to Texas History
Maryland and Delaware.
Map shows railroads, counties, cities and towns. Insets: "District of Columbia with portions of adjacent states" and "City of Baltimore and vicinity." Includes key to town population sizes. Relief shown by hachures and shading. Scale [1:1,350,000].
Date:
1904
Creator:
Americana Company
Object Type:
Map
System:
The Portal to Texas History
Maryland and Delaware.
Map shows railroads, counties, cities and towns. Insets: "District of Columbia with portions of adjacent states" and "City of Baltimore and vicinity." Includes key to town population sizes. Relief shown by hachures and shading. Scale [1:1,350,000].
Date:
1904
Creator:
Americana Company
Object Type:
Map
System:
The Portal to Texas History
Soil map, Delaware, Kent County
Map shows soil composition, marshland, towns, roads, and railroads for Kent County, Delaware during the early twentieth century. Includes soil profile and legend. Scale [1:63,360].
Date:
1903
Creator:
United States. Bureau of Soils.
Object Type:
Map
System:
The Portal to Texas History