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(!!!!!) (Excellent Pair) 10 Sylvania and Sylvania Philco "engraved base" 1930's NOS (26ma and 29ma) (rare)
(!!!!) (Best Value Single) 10 GE Radiotron used/good 1940's (27ma)
(!!!!) (Recommended Pair) 10Y=VT-25 Hytron NOS 1940's (26.4ma and 27.2ma)
(!!!!) (Single) 10 Sylvania "engraved base" 1930's NOS (29ma)
(!!!) (Best Value Pair) 10=VT-25 SYLVANIA NOS and used/tests like new 1940's (26ma and 25ma)
(!!!) (PAIR) VT-25-A Sylvania NOS and like new 1940's (34ma and 38.2ma)
(!!) (single) 10Y=VT-25 SYLVANIA used/good 1940's (25.8ma)
10 Raytheon NOS 1940's (24ma)
10=VT-25 Sylvania branded Tungsol like new 1940's (26.2ma)
10=VT-25 Sylvania NOS 1940's (25ma)
