Original Precision Apparatus Co. Operating Instructions Series 10-54 Tube Data +

US $120

  • East Liverpool, Ohio, United States
  • Nov 8th
Original Precision Apparatus Co. Operating Instructions Series 10-54 Tube Data +. The operating instruction book is dated 1954 ( see pics ) and does show some age wear, but is in all there 24 pages, Page 12 does have a cut out ( see picture ). The supplementary tube data book is all there and ( see pictures for condition ). There is also 2 charts on paper Tube test data and tube settings ( see pics ). The other papers are just mailing envelopes to the previous owner ( nice vintage mail ). Please feel free to contact me with any questions.

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