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Keywords from Image Description:
AN ELECTRICAL WIND GENERATOR ON THE ROOF OF LOG HOUSE WHICH WILL USE SOLAR HEAT. THE COMBINATION OF GENERATOR LOG... NARA . Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Norton Boyd Photographer File ANELECTRICALWINDGENERATORONTHEROOFOFALOGHOUSEWHICHWILLUSESOLARHEAT THECOMBINATIONOFGENERATOR