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  Partner: Longview Public Library
 Decade: 1970-1979
[LeTourneau Industries]
Photograph of the LeTourneau Tournalayer, a massive machine that was designed by Robert G. LeTourneau. The machine was used to create monolithic homes in basic units of 784 square feet, and it could turn out as many as eight homes in one day. texashistory.unt.edu/ark:/67531/metapth191327/