UL84=45B5 Telefunken Diamond Bottom NOS 1960
UX-171A RCA Radiotron Balloon used/good 1930's (18ma)
UX-199=199 RCA Radiotron NOS 1930 era (1.7ma)
UX-245 RCA Balloon (display tube)
UX-245 RCA Balloon (display tube) (gassy)
VT-107A=JAN-CHS-6V6GT Sylvania black plate / gray coated glass NOS mid-1940's (31ma)
