(!) CV5358=6DJ8 Mullard UK used/good 1968 (14.6/17ma)
5840=EF732 GE NOS 1953 (5.3ma) (Soundelux, Peluso, Brauner)
5840=EF732 GE NOS 1965 (5.5ma) (Soundelux, Peluso, Brauner)
5840=EF732 Raytheon NOS 1960's (4.7ma)
5840W=EF732 Sylvania NOS 1970's (5.2ma)
6LU8 GE NOS 1979 (2.3/51ma)
6LU8 GE NOS faded printing (3.4/61ma)
929 RCA NOS 1947
E80F=6084 Philips Holland NOS 1975 (3.2ma)
E80F=6084 Philips Miniwatt Holland NOS 1965 (3.0ma)