anachrocomputer:
Rectifiers
anachrocomputer:
Transformers and fan
anachrocomputer:
The sealed lead-acid battery, unsealed
anachrocomputer:
Testing the batteries in the car
anachrocomputer:
Battery test results
anachrocomputer:
Battery test results
anachrocomputer:
Battery on test
anachrocomputer:
Chart recorder
anachrocomputer:
Dummy load, glowing red-hot