This article is from the Woodworking FAQ Collection 1, by multiple authors.
This faq has been provided by Craig1708@aol.com
Animal (hide) glue is derived from "collagen" which is a protein
constituent of hide materials, bone and connective tissues associated
with the hides.
These materials originate with the packing and tanning industries and
are principally of cattle origin. Woodworking functions such as
veneering and inlaying are pictured in Egyptian tombs and furniture
removed from the tombs reveal that joints were dovetailed and glued
with animal glue.
 
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