Standard Company Name: S.F. Pratts Company Name: S.F. Pratts Title: [Trade card featuring the ladies' companion sewing machine] Imprint: [1857?] Pages: 2 Notes: Format: Trade cards Descriptive Notes: Treadle machines are made expressly for family use and all fabrics cam be used; machine was not got up for the purpose of selling patent rights and humbugging the public, neither do we use any other patents but our own. Smithsonian Location: NMAH. Archives Center. Warshaw. Box: 5 ; Folder 6 (about locations) Display Scanned Item: No images available (about image availability) Record Number: 4242