This is a 1964 ad for a Allen-Bradley Bulletin 705 NEMA 4 Size 2; Bulletin 712 NEMA 4 Size 3; Bulletin 709 NEMA 4 Size 2; Bulletin 712 NEMA 4 Size 1! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'you get the protection of stainless steel' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!