William H. Hayt, Jr. Engineering Electromagnetics Fifth Edition McGraw Hill Book Company 0-07-027406-1 November 08 2024 new in box GE 12X4

new in box GE 12X4 tube -- and three others just like it -- tested to spec on our Paul Hart-calibrated TV7/U

It was also tested on our Maxi Preamp II (as a 12AT7) for shorts

not included) in my AC-heated Radio Craftsmen RC-2 mono block amplifiers and they sound great

This Hamilton quartz ladies' watch doesn't work and is missing its hour hand

I am playing it in my Pro-Ject Tube Box S phono pre-preamplifier (tube on right) with John Mayall’s seminal "The Blues Alone" album

William H. Hayt, Jr. Engineering Electromagnetics Fifth Edition McGraw Hill Book Company 0-07-027406-1 November 08 2024 new in box GE 12X4This hardcover book is in excellent condition. The spine is in fine shape with no loose pages. It appears to have been dedicated by The Author to a student.