Composition For Roofing And Paving.
Description:
Patent for a process "to produce a compound which is strong, tenacious, and pliable, which will not be affected by climatic changes, and which will resist the corrosive action of acids and alkalies; and to this end my invention consists in a compound composed of asphaltum, pine-tar, and oxide of iron, as will more fully hereinafter appear.” (Lines 8-15) Includes instructions.
Date:
May 9, 1882
Creator:
Lee, Archibald K.
Item Type:
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Partner:
UNT Libraries Government Documents Department