#49: HP-410B: Initial tests
In this video we look at how a recent HP-410B hamfest find behaves when powered up. Before applying power, an electrolytic capacitor was changed and a ballast tube corrected, but otherwise no work has been done to the meter.
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#68: HP-400D video 2: Investigating the components
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Stanford Research Systems SR510 Lock-in Amplifier
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#57: AM and SSB explained
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EEVblog 1752 - Texas Instruments SCREWED UP the NE5532!
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#50: HP-410B: Interior and initial calibration
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#53: EICO 667 after repairs and calibration
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#61: Op amp oscillators, integrators, and waveforms
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#67: HP-400D: A first look
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#59: Realistic DX-100 Receiver
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#69: HP-400D video 3: Circuit and component details
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#65: EICO 628 tube tester
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Electricity Does Not "Split" H₂O. And That's VERY Useful.
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#52: EICO 667: Initial testing
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EEVblog #469 - Cockcroft-Walton Multiplier
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#60: Two budget multimeters from the 1970s and 1980s
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HP410B Restoration And Alignment More Was Wrong Than I Thought
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#58: The CC Skywave SSB: A first look
!["GREAT" Meter! The HP 419A DC Null Voltmeter, [RESTORATION]](https://i.ytimg.com/vi/vrmwql2msbU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLBeoGhnam0omqMzFffMpY8fHeM7bA)
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"GREAT" Meter! The HP 419A DC Null Voltmeter, [RESTORATION]
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#51: EICO 667: First look
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