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Production of Chlorinated Hydrocarbons.
Patent for the new and improved production of Chlorinated Hydrocarbons; "[t]his invention relates to the production of dichlorinated hydrocarbons of the ethylene series, and particularly to the production of mixtures of dichlorinated hydrocarbons containing dichlor-ethylene and dichlor-propylene from mixtures of ethylene hydrocarbons containing ethylene and propylene." (lines 13-20)
Date:
December 10, 1915
Creator:
Brooks, Benjamin T. & Smith, Dillon F.
Object Type:
Patent
System:
The Portal to Texas History
The Roundheaded Apple-Tree Borer
This report discusses the roundheaded apple-tree borer, an insect in the eastern and midwestern United States that, in its larval stage, destroys the bark and wood of apple trees. Several methods of control are discussed, including worming, paints and washes, and sprays.Apple-tree borers.
Date:
1915
Creator:
Brooks, Fred E.
Object Type:
Pamphlet
System:
The UNT Digital Library