1943 Ad Bell Telephone Systems High Vacuum Tube Wartime H.D. Arnold WWII YPM1 YTB2 Keywords specific to this image:

Keywords specific to this image: cabinet des medailles

as well as the Anglo-Swiss Condensed Milk Company

This is an original 1919 black and white print ad for Athena Underwear for Women and Children

This is an original 1927 black and white halftone print of a M'Gogo man of Africa

This is an original 1925 six-page color print catalog (three double-sided pages

1943 Ad Bell Telephone Systems High Vacuum Tube Wartime H.D. Arnold WWII YPM1 YTB2 Keywords specific to this image:This 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 +