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(!!) (SINGLE) 5687 Tungsol rebranded IBM bronze plates

(!!) (SINGLE) 5687 Tungsol rebranded IBM bronze plates "U" getter used/very good late 1950's (32.5/39ma)

$ 34.99
(!!) JAN-CRP-5687WA Raytheon black plates

(!!) JAN-CRP-5687WA Raytheon black plates "O" getter halo 1962 used/tests like new (44.5/39ma)

$ 39.99
(!!) JTL-5687WA Tungsol bronze plates

(!!) JTL-5687WA Tungsol bronze plates "O" getter used/good 1958 (30/30.5ma)

$ 29.99
(!) (Best Value Single) 5687WA Sylvania JAN used/good faded printing 1970's (31/35.8ma)

(!) (Best Value Single) 5687WA Sylvania JAN used/good faded printing 1970's (31/35.8ma)

$ 19.99
(!) (microphonic single tube) E182CC=7119 Philips SQ Holland NOS

(!) (microphonic single tube) E182CC=7119 Philips SQ Holland NOS "O" getter halo 1963 (39.0ma/39.2ma)

$ 49.99
(!) (Microphonic Single) CK-5687 Raytheon black plates

(!) (Microphonic Single) CK-5687 Raytheon black plates "U" getter NOS 1956 (31.5/31.0ma)

$ 29.99
(!) 5687 Raytheon part bronze part black plates used/tests like new 1960 (33/38ma)

(!) 5687 Raytheon part bronze part black plates used/tests like new 1960 (33/38ma)

$ 29.99
(!) 5687 RCA black plates used/good 1961 (33/33.5ma)

(!) 5687 RCA black plates used/good 1961 (33/33.5ma)

$ 29.99
(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (36/41ma)

(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (36/41ma)

$ 17.99
(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (31/31ma)

(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (31/31ma)

$ 17.99
(slightly microphonic - good value) 5687 Raytheon black plates NOS

(slightly microphonic - good value) 5687 Raytheon black plates NOS "square" getter halo 1950's (37/39ma) (strong Ma and Gm)

$ 24.99
(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (40.5/45.5ma)

(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (40.5/45.5ma)

$ 29.99
(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (34.5/36.5ma)

(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (34.5/36.5ma)

$ 27.99
5687WA GE used/tests like new 1970's (44/45ma) (highest Ma and Gm)

5687WA GE used/tests like new 1970's (44/45ma) (highest Ma and Gm)

$ 34.99
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