80 Hytron engraved base used/strong 1930's (60/40 and 62/40)
C-11=WD-11 Cunningham NOS bakelite base, glass not tipped, original orangle/blue Cunningham boxes 1930's (sold out)
CX-12 Cunningham NOS original box 1930's (1 in stock)
CX-220=20 Cunningham NOS 1920's (triode)
UV-201 RCA Radiotron "brass base" and tipped used/good 1924 (3.5ma)
UV-202 Radiotron "brass base" and tipped NOS original box 1920 era (45ma) (very rare)
UX-171A RCA Radiotron Balloon used/good 1930's (18ma)
UX-226 RCA Radiotron balloon used/good 1920's (3.7ma Gm=900)
