MAKING A TUBE AMPLIFIED CRYSTAL RADIO
29:16
old brown bakelite radio repair
1:17:12
Understanding and Building Crystal Radio Sets
26:58
HOW TO BUILD A TUBE AMPLIFIER - DYNACO MK4
21:11
1949 Motorola 9VT1 Television Restoration
12:09
Super Crystal Radio Set
17:12
Hand Made Vacuum Tubes by Claude Paillard
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making a deforest spherical audion tube
19:50