1961 Ethyl Corp "Why did we build a dam here?" Hydroelectric Energy Vtg PRINT AD

1961 Ethyl Corp "Why did we build a dam here?" Hydroelectric Energy Vtg PRINT AD IMAGE:          Tennessee Valley Hydroelectric Dam / Father & Son WORDING:       Why did we build a dam here? Ethyl Corp ISSUE DATE:   1961 ( 1960s 1960's 60s 60's MCM ) PAPER SIZE:  10.5" wide x 13.5" tall * Many old ads have detailed info about the product advertised and can help with research, and make a unique substitute for expensive artwork * Perfect for framing - art deco retro decor / Unique Gift / junk journals scrapbook vision boards etc! - Orders ship out next biz day - Ads ship flat, bagged and boarded - Please review all photos - item pictured is exact ephemera clipping you will receive - Thx for looking - Happy Shopping! * NOTE: You are buying Original Vintage Print Clipping from a Vtg Magazine Periodical