Gargoyle Mobiloils 1920 Ad $9.00 Three In One Oil 1914 Ad $12.00 Shell Industrial Products 1958 Ad $9.00 Gargoyle Mobiloils 1920 Ad $9.00 Gargoyle Mobiloils 1920 Ad $9.00 Havoline Oil 1920 Ad. $9.00 Gredag Lubricant 1920 Ad $9.00 Ethyl Corp. Chemicals 1963 Ad $9.00 Royal Typewriter Co. 1920 Ad $9.00 Royal Typewriter Co. 1920 Ad $9.00 Royal Typewriter Co. 1920 Ad $9.00 Robbins and Myers Motors 1920 Ad. $9.00 Noiseless Typewriter 1920 Ad $9.00 Noiseless Typewriter 1920 Ad. $9.00 National Cash Register Co. 1958 Ad $9.00 Edison Dick Mimeograph 1920 Ad. $9.00 Edison Dick Mimeograph 1920 Ad $9.00 Cutler Desks 1920 Ad. $9.00 Corona Typewriter Co. 1920 Ad $9.00 American Photocopy Equipment Co. 1963 Ad $9.00