In article <H1hVPteogPC9Ewu4@hargreave-mawson.demon.co.uk>, Michael
Hargreave Mawson <OC@46thFoot.com> writes
>In article <NOEDJDCNFBCNELMBFNFEKEDADDAA.ryoung@navcomtech.com>, Randall
>Young <ryoung@navcomtech.com> writes
>>> Lucas Windtone WT29 horn, marked on casing "690784" On an engraved
>>> plate inside the high-tone horn, "WT29H 12V 690799 102 PHONS 1145".
>>
>>They don't appear to be from a TR2/3 then, the TRs used WT614 or WT618.
>>Those are also the only Windtone models listed in my limited collection of
>>Lucas catalogs.
>
>Thanks, Randall. If they'd got to WT614 by the time TR2s came out,
>WT29 must equate to pre-war!
P.S. A little more on-line research throws up the fact that they
appear to have been fitted to the Jowett Javelin from 1946. So - if
not pre-war, at least immediately post-war.
P.P.S. Phons are apparently equivalent to decibels at 1000Hz. 100dB+
on each horn? That's loud! Standing next to a jet engine nets you a
bit over 150dB...
ATB
--
Mike
Ellie - 1963 White Herald 1200 Convertible GA125624 CV
Carly - 1977 Inca Yellow Spitfire 1500 FM105671
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