1950s National Oil Seal magazine ads. By illustrator Arthur Radebaugh. 14 of these beauties; what a treat! Thank you, random internet person who scanned these in. Click on each ad for the fullsize version.
https://diqn32j8nouaz.cloudfront.net...l_seal_ad1.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad2.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad3.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad4.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad5.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad6.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad7.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad8.jpg
https://diqn32j8nouaz.cloudfront.net...l_seal_ad9.jpg
https://diqn32j8nouaz.cloudfront.net..._seal_ad10.jpg
https://diqn32j8nouaz.cloudfront.net..._seal_ad11.jpg
https://diqn32j8nouaz.cloudfront.net..._seal_ad12.jpg
https://diqn32j8nouaz.cloudfront.net..._seal_ad13.jpg
https://diqn32j8nouaz.cloudfront.net..._seal_ad14.jpg
Previously:
https://www.homemadetools.net/forum/...2754#post97062
https://www.homemadetools.net/forum/...308#post116331
