One application for devices like that would be vacuum tube power amplifiers, to
delay the high voltage power supply until after the heater current has been on
for a bit.
paul
> On Sep 30, 2024, at 5:21 PM, Van Snyder via cctalk <[email protected]>
> wrote:
>
>
> I have two SPST time delay 12-volt relays packaged like vacuum tubes
> with octal bases, Amperite models 12N010 (ten seconds) and 12C5 (five
> seconds).
>
> They're in their original boxes.
>
> I have no idea what devices used them.
>
> It seems a shame to throw them in a recycle bin.
>
> Does anybody want them?
>
> Van Snyder
>