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Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 0
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 1
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 2
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 3
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 4
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 0
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 1
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 2
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 3
Thordarson Filament / Transistor Transformer. # 21F97. w/ box, instructions., US $770 – Picture 4

Thordarson Filament / Transistor Transformer. # 21f97. W/ Box, Instructions.

US $770

  • Butler, Pennsylvania, United States
  • Mar 2nd
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Purchased at an estate auction. Original owner was into amateur electronics for decades. Seems to be in good condition. Comes with its original instructions.

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