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some radar equipment

Article about: hey everyone.this is my first post.i got my hands on some radar equipment which I was led to believe are some of the first to be implemented in British air-force.what would you guess is the

  1. #1

    Default some radar equipment

    hey everyone.this is my first post.i got my hands on some radar equipment which I was led to believe are some of the first to be implemented in British air-force.what would you guess is the value of these.the valves also needs to go
    a.i mk4, bc 455b,unit25 100/1016,R.F unit26


  2. #2

    Default Re: some radar equipment

    The valves look like mostly 807 beam tetrodes to me, but I would need better pictures to be able to verify this. Some better pictures of the other equipment, including close up shots of the data plates would also help.

    Rob

  3. #3

    Default Re: some radar equipment

    Last edited by moominza; 04-11-2012 at 06:29 PM.

  4. #4

    Default Re: some radar equipment

    you're right on with the valves.i'm sorry but i can't supply specific photos.what i have i will upload in a few minutes.what i can do is read the plate details for now.i can probably get the photos over the weekend.
    1) patt. w 4889 c.r. unit design "L" serial 3429 year 1944
    2) signal corps US. army radio receiver. BC. 455B serial no 5321 ordor no.595-wf-43 made by colonial radio corp Buffalo, NY.
    3)RF unit type 26 ref no 10D/1017 A.M serial no.1779
    4) R.F unit 25 ref no 10D/1016 use with LU51 serial G055845 (followed by pos1-pos6)
    5) valves: *tube vt83 sylvana ELEC. order no 19954-phila-43
    *VU111 -10E'146
    *Haltron 807/CV/1060
    *torvac radiotube 807
    *hytron vt100-a 807
    *ats 25/ats n 25/ats 25 3496/ats 25 n/ats n 25-E //actual i have no idea what these are

  5. #5

    Default Re: some radar equipment

    1) is part of an RAF AI (Aircraft Identification) Radar setup
    2) is part of a late-WW2 US radio set SCR-274-N
    3) and 4) are part of the GEE setup
    5) The valves are exactly what you have written. A VT83 full-wave rectifier, a VU111 half-wave rectifier and a load of 807s. The 807 was famously used in the Wireless Set No 19 as the final power amplifier for it's transmitter.

    ATS25 is the British Army name for an 807 (It means Army Transmitting Screen-Grid Tetrode 25).

    Rob

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