Oscillograph

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Oscillograph diagram of primary and secondary currents.

Source

Automobile Engineering (Chicago, IL: American Technical Society, 1921)

Downloads

TIFF (full resolution)

2400×1997, 1.4 MiB

Large GIF

1024×852, 243.5 KiB

Medium GIF

640×532, 111.9 KiB

Small GIF

320×266, 32.3 KiB