1928 Article Paul Welker Tube AC Conversion Transformer Diagram Battery SAI


This is an original 1928 one-page article (one single-sided page) titled, "S & I. 3-Tube A. C. -D. C. Set," by Paul Welker. The article features images and diagrams of the receiver.


This 83+ year old Item is rated Very Fine ++. Light aging throughout. Light wrinkling. No natural defects. No surface rub. No tears. No water damage. Please note that there is print on the reverse.

  • Product Type: Original Print Article; Black / White
  • Grade: Very Fine ++
  • Dimensions: Approximately 8 x 11 inches; 20 x 28 cm
  • Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
  • Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)

Keywords specific to this image: tuner ,sockets, condenser, ground, transformer