Hamfest find today: HP59309A Clock

[Accutron]

(08-09-2016 03:17 AM)BobVA Wrote:  I think they must still be in use in some installations, keeping the prices up.

It could just be the clock collectors running the prices up. The Nixie clock guys go after HP clocks and cesium standards as well. The 59309A also uses the 5-digit HP bubble displays, which are desirable on their own. I'm always on the lookout for HP equipment with older style LED displays - epoxy-packed bubble displays, early single-digit decimal/hex and alphanumeric smart displays, and anything packed in glass and ceramic.