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First Aereo Squadron, Signal Corps, war diary : period from March 12 to April 23, 1916.
Photocopy of typescript describing activities and participants in the 1st Aereo Squadron of the Signal Corps during the Punitive Expedition against Pancho Villa from March 12 to April 23, 1916.
Date:
1916
Creator:
United States. Army. Signal Corps. Aereo Squadron, 1st.
Object Type:
Report
System:
The Portal to Texas History
[Two Contracts Regarding Land in Texas and New Mexico]
Two contracts, the first correcting a deed for land in El Paso County, Texas from W. C. Cargill to J. A. Martin, Jr., and the second transferring property in Chaves County and Roswell, New Mexico from M. McAlpine to James C. Wallace. Both contracts are unsigned.
Date:
{1911-02-02,1913-03}
Creator:
unknown
Object Type:
Legal Document
System:
The Portal to Texas History
Las Cruces Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date:
1911
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Canutillo Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date:
1919
Creator:
United States. Army. Corps of Engineers.
Object Type:
Map
System:
The Portal to Texas History
Low-Water Alarm For Boilers
Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date:
January 5, 1915
Creator:
Anderson, Williamson D. & Shearer, Edward J.
Object Type:
Patent
System:
The Portal to Texas History
Protector for Detonator-Caps.
Patent for a detonator cap that acts as a "protecting device...to seal the inner end of the cap into which the adjacent end of the fuse is projected in use." (lines 13-16)
Date:
October 9, 1917
Creator:
Dillard, George L.
Object Type:
Patent
System:
The Portal to Texas History
Triple Valve
Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date:
August 13, 1912
Creator:
Anderson, Williamson D. & Shearer, Edward J.
Object Type:
Patent
System:
The Portal to Texas History