(!!!!) (Best Single) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (60/40 and 64/40)
(!!!!) (Recommended Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (62-70/40 and 64-70/40)
(!!!) (Best GT-shape Pair) 80 RCA GT-shape NOS 1959 (54-57/40 and 54-59/40)
(!!!) (Best Value Single) 80=U50 Madrid Spain tall bottle NOS 1949 (60/40 and 72/40)
(!!!) (Recommended Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (54-60/40 and 54-60/40)
(!!!) 80 Cunningham Balloon used/good 1930 era some white oxide flakes inside tube (44/40 and 48/40)
(!!!) 80 RCA Victor NOS 1948 (56/40 and 58/40)
(!!!) 80 TRAV-LER Balloon used/65% 1930 era (40/40 and 42/40)
(!!!) CX-380 Cunningham Balloon used/65% 1930 era some white oxide flakes inside tube (39/40 and 44/40)
(!!) (DISPLAY TUBE) 180 Arcturus Blue 1930 era (does nto work - display tube only)
(!!) (Recommended Pair) 80 GE GT-shape NOS 1960 (56/40 and 62/40 x 2 tubes)
(!!) (Recommended Single) 80 Philco by Sylvania NOS 1951 - 2 stains/blemishes inside glass (57/40 and 60/40)
(!!) 80 Fapesa Miniwatt Argentina NOS 1950's faded printing (52/40 and 56/40)
(!!) 80 GE GT-shape NOS 1957 slightly tilted glass (56/40 and 60/40)
(!) 80 Delco by Sylvania ST-shape used/tests like new 1947 rattle inside base (57/40 and 60/40)
(!) 80 GE Uruguay GT-shape NOS 1950's tilted glass (58/40 and 60/40)
(!) 80 Ken Rad ST-shape tests like new mid-1940's (52/40 and 54/40)
(!) 80 National Union used/strong 1940's (53/40 and 56/40)
(!) 80 RCA branded Westinghouse GT-shape used/very good 1960 era (57/40 and 61/40)
(!) 80 RCA GT-shape like new 1957 (60/40 and 64/40)
