Black & white, QST Magazine full-page print advertisement from March 1963 for "The Desk Top LOUDENBOOMER Mark II RF Linear Amplifier" from Radio Industries Inc. in Kansas City, Kansas.

Excellent condition, with no tears, creases or stains. Please ignore any cross-hatch pattern that may be in the photo, it is not in the ad, may scanner resolution may have been set to high for the paper type. Please see photo for details.

Securely packaged.