[time-nuts] ESE ES-181U Modem Master Clock (eBay)

[Gregory Beat]

An interesting item appeared on eBay, for a Low initial price.
eBay Item Number: 194175927781

ESE ES-181U Modem Master Clock
https://www.ese-web.com/181.htm

It has an internal gel cell battery (likely 6 Volt), and likely a Lithium Coin Cell for configuration settings.  Designed to call USNO, or other Time Reference via POTS.
At worst, a great Rack case with display.

greg
w9gb