Description
Black & White, CQ Magazine full-page print advertisement from February 1948 for "THORDARSON - The Most Radical Improvement...in power supply filter circuits...". Excellent condition, with no tears or stains. Please ignore any cross-hatch pattern in the photo (not on ad), I may have had the scan resolution to high. Securely packaged. When purchasing more than one advertisement, please place ad in cart and request an invoice with combined shipping. Thank you!