Donated Eskalab Spectrophotometer
33:30
Reparo, calibração e princípio de operação do multímetro digital HP 3438A
33:52
Free Abandoned HP 3478A 5-½ Digit DVM Repair
18:18
Inside the WILD Lab of CuriousMarc
26:24
PMT1: Using a Photomultiplier to Detect Single Photons
30:32
All About Telephone Power Plants
49:32
This 8" hard drive doesn't seem to exist (or does it?)
30:51
A Small, Cheap Micro-Spectrometer - Review [Pt 1]
29:38