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Start Over You searched for: Authors Backus Mfg. Co., author. Remove constraint Authors: Backus Mfg. Co., author. Languages English Remove constraint Languages: English Genre Advertisements Remove constraint Genre: Advertisements Dates by Range 1850-1899 Remove constraint Dates by Range: 1850-1899
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1. The Backus heater

nlm:nlmuid-101161233-bk