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Henry Boyars, United States of America (USA) - Tube collection

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ID = 26536
Photo Henry Boyars

Below you find a part of the tube collection Henry Boyars.

I have gone a bit beyond the multimeter, using tube testers, capacitor testers, and other diagnostic instruments; but my knowledge of electronics is very basic.
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Excerpt from the tube collection of Henry Boyars. These images (tube photos) were uploaded to the respective tubes or valves by Henry Boyars.

click to access the tube page
BH 1925
Raytheon Mfg. Co.; Cambridge... USA
X99 Radiotron NOS box sides.
X99
Common type USA tube/semicond. USA
NOS tube in original box.  Original tube was stored separately and was re-inserted for photo.
20
Common type USA tube/semicond. USA
click to access the tube page
401_McCullough 1926
Common type USA tube/semicond. USA
 

Tube collector page of valve collector Henry Boyars as «own HP at RMorg»
As a member of Radiomuseum.org Henry Boyars displays items in his/her tube collection. Tubes are called valves in British oriented countries.
Valve and tube collectors as well as radio collectors are invited to join Radiomuseum.org. Every member can display separate collections of tubes, radios etc.

Henry Boyars started his/her tube collection (valve collection) here on 24.Aug.2017. [index-en]

  
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