[Milsurplus] Whazzit? Ring Capacitors?

[Facility 406]

On 5/10/2024 11:28, Nick England wrote:
> Photo at the bottom of this page
> https://www.navy-radio.com/tty/wu-2504/index.htm#mystery 
> <https://www.navy-radio.com/tty/wu-2504/index.htm#mystery>
> Looks like they are marked 1.00 MFD 100v underneath the wax. Appear to 
> be copper foil sandwich? about 1.5" dia.
I've never seen one, but the design, leads, material, labeling, suggests 
a capacitor.

Kurt