Language

Soil map, Texas, Jefferson County sheet

Map displays soil types along with bayous, canals, creeks, rivers, lakes, reservoirs, dams, swamps, towns, roads, ferries, railroads, oil reservoirs, refineries, pumping stations, and ranches. Includes legend, symbols, and soil profiles.
Date: November 10, 1915
Creator: United States. Bureau of Soils.
Object Type: Map
System: The Portal to Texas History
Soil Survey of Jefferson County, Texas (open access)

Soil Survey of Jefferson County, Texas

Text describes climate, agriculture, and soils of Jefferson County, Texas.
Date: November 10, 1915
Creator: Carter, William T. (William Thomas); Schoenmann, L. R. (Lee Roy Adolph); Bushnell, T. M. (Thomas Mark) & Maxon, E. T.
Object Type: Book
System: The Portal to Texas History
Detector for Wireless Telegraphy (open access)

Detector for Wireless Telegraphy

Patent for an improved detector for wireless telegraph machine through the use of minerals such as copper, sulfur, and zinc.
Date: November 9, 1915
Creator: Lorenz, Charles O.
Object Type: Patent
System: The Portal to Texas History
Mechanical Movement (open access)

Mechanical Movement

Patent for "an object to provide a chain and sprocket movement with improved means for maintaining the chain in operatively taut condition and relation to the sprocket wheel" (lines 13-17), including illustrations.
Date: November 9, 1915
Creator: Stine, John
Object Type: Patent
System: The Portal to Texas History