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Screw-Worms and Other Maggots Affecting Animals
This bulletin discusses the screwworm, which is a maggot that causes losses to livestock, and measures for its control. Other maggots and insects discussed include the sheep-wool maggot, the black blowfly, the green bottle fly, and the gray flesh fly.
Date:
1917
Creator:
Bishopp, F. C. (Fred Corry), 1884-1970; Mitchell, J. D. & Parman, D. C.
Object Type:
Pamphlet
System:
The UNT Digital Library
Gypsum Products: Their Preparation and Uses
Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date:
July 1917
Creator:
Stone, Ralph W.
Object Type:
Report
System:
The UNT Digital Library
Dirigible Headlight
Patent for rotating combination lamp and spindle.
Date:
February 6, 1917
Creator:
Wogenstahl, Leo J.
Object Type:
Patent
System:
The Portal to Texas History