1943 Ad Bell Telephone Systems High Vacuum Tube Wartime H.D. Arnold WWII YPM1 XDG7 This 109+ year old Item

This 109+ year old Item is rated Very Fine +++

This highly colorful ad will be perfect for your tough truck lover

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This is an original 1905 black and white halftone print of the Litani River gorge that is located outside the town of Burghuz

This is an original 1928 color lithograph cover for The Mentor magazine

1943 Ad Bell Telephone Systems High Vacuum Tube Wartime H.D. Arnold WWII YPM1 XDG7 This 109+ year old ItemThis is an original 1943 black and white and grayscale print ad for the Bell Telephone Systems, featuring the first effective high vacuum tube, for amplifying electric currents developed by Bell Laboratiries and Dr. H. D. Arnold. CONDITION This 70+ year old Item is rated Very Fine +. No creases. No natural defects. No surface rub. No tears. Heavy water stain bottom. Product Type: Original Print Ad; Black & White Grayscale Grade: Very Fine +