This is a 1964 ad for a Allen-Bradley Feed-thru and Stand-off Capacitors: FB2B, FB3B, SB3A, SB4A, FA5C, FU6D, SS5A! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'with no parallel resonance points' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!