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Purifying Oils
Patent that converts low grade petroleum into higher grade petroleum. The process warms aluminum chlorid with petroleum material in a nonviolent way to make a purifying oil.
Date:
August 27, 1918
Creator:
McAfee, Almer M.
System:
The Portal to Texas History
Process of Purifying Paraffin.
Patent for improvements in the process of purifying paraffin wax.
Date:
August 27, 1918
Creator:
McAfee, Almer M.
System:
The Portal to Texas History