Prev: Wheaton Terrier
Next: wheel

Wheatstone telegraph interrupter

  • STS-Niger-4-300dpi.jpg-crop-331x505at1695-2720.jpg
Short desc: Wheatstone telegraph interrupter




This design is used by 1 stamp:
Niger 5/17/1965 30fr issue=ITU 100th perf=13






Help | News | About | Privacy/Terms | Contact
Copyright 2010-2024 Stanley T. Shebs and other contributors