This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Sdr Relays Closeup With Hand. Panel Sender Relays with hand for size in en Panel switch exchange See also File Panel Sender Relays Own Early 's Panel Switchman Panel switch Relays
Page 2023 Free-images.com. All images are Public Domain