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    £ 495
    Secomak Type 447 Hand Operated Portable Crank Handle Air Raid Syren (Siren) and Air Raid Syren (Siren) and Tubular Stand
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    £ 495
    Secomak Type 447 Hand Operated Portable Crank Handle Air Raid Syren (Siren) and Air Raid Syren (Siren) and Tubular Stand
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    JC Militaria Ltd
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    ad ref. GS848195B
    £ 495

    Secomak Type 447 Hand Operated Portable Crank Handle Air Raid Syren (Siren) and Air Raid Syren (Siren) and Tubular Stand

    AccessoriesOther AccessoriesUsed

    WW2 & Cold War Era British Home Office Secomak Type 447 Hand Operated Portable Crank Handle Air Raid Syren (Siren) and Tubular Stand. Sn 15871 - 15871

    An original World War II & Cold War era hand operated portable Air Raid Syren (Siren) with tubular metal stand although it has no labels remaining it is no doubt an original Secomak Type 447 siren . These hand-operated sirens were intended for large or remote establishments such as R.A.F. airfields and large factories where the public air raid warning may not have reached. The siren consists of a simple bladed drum rotated through the use of the handle. The blades are angled so that air is drawn in through the holes in the voice box casing, and forced out the side to produce a howling tone. In order to produce the fluctuating 'Action Warning' signal, the user let go of the handle and let the siren slow down before cranking up again to reach the high note. There appears to be very little documentation charting the history of the Type 447, but it would seem to originate in the late 1930's. This terrific air raid siren, complete with original grey painted tubular steel stand. The siren is in perfect working order. The original grey painted finish is in excellent condition. The wooden handle is smooth with no cracks. The siren has a metal grill over the rotating blades. This siren is very loud. The siren can be unclamped from the stand for storage by unscrewing a lug on the underside of the siren. The stand with Siren mounted is 33" height overall. The price includes UK delivery. Sn 15871
    £495.00 ...Read full description
    CategoryAccessories
    ConditionUsed
    Price£ 495
    Sale typeTrade
    Manufactured YearWW2 & Cold War Era
    Your reference15871
    Recommended UsageCollection item

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