SG111 URM-25E Signal Generator - #323 bulbs

[Bruce Brackin]

Dave - Try http://www.fairradio.com/lamps.htm  - Fair Radio - lists the
#323 as bulb in URM-25 - T-1 1/4 screw base, 3 v at 190 mA.

Bulbs Direct also has them:

http://www.bulbdirect.com/searchlist.asp?ProdClass=&PriCat=&Volts=3&Watts=&Base=&SearchType=1

Bruce, KD5IUG