Resource Type

Composition For Roofing And Paving. (open access)

Composition For Roofing And Paving.

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.
System: The Portal to Texas History