4 Matching Results

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Crude-Oil Burner (open access)

Crude-Oil Burner

Patent for a portable crude oil burner that attaches to stoves.
Date: September 20, 1910
Creator: Lubbock, William L. & Hamblen, Samuel
Object Type: Patent
System: The Portal to Texas History
[Letter from E. W. Powell to Levi Perryman, September 7, 1915] (open access)

[Letter from E. W. Powell to Levi Perryman, September 7, 1915]

Letter from E. W. Powell to Levi Perryman regarding the taxes being paid for 1914. The hotel business is also mentioned, and the debts of Mr. Clark and Reed.
Date: September 7, 1915
Creator: Powell, E. W.
Object Type: Letter
System: The UNT Digital Library
Prospecting and Mining of Copper Ore at Santa Rita, New Mexico (open access)

Prospecting and Mining of Copper Ore at Santa Rita, New Mexico

Report discussing techniques for the mining of large masses of low-grade ores such as though found in Santa Rita, NM. It is hoped that a study of the methods used at Santa Rita will help engineers in other industries who may have to handle large masses of material.
Date: September 1916
Creator: MacDonald, Donald F. & Enzian, Charles
Object Type: Report
System: The UNT Digital Library
Life Zones and Crop Zones of New Mexico (open access)

Life Zones and Crop Zones of New Mexico

Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library