Clive,
Thanks for reply....as you say any information about these particular trailers is in short supply.
Having also restored "Airborne" No1 and No2 trailers, many of the fittings are identical, but the bowser trailer has a special chassis for the galvanised tank.
As the 100 gallon bowser was developed for the Jeep, it tows perfectly behind my 44 Willys.
Agree with you re: trailers being considered as incidental. Although I think there is increasing interest in them, particular if WWII vintage....and this is reflected in recent prices.
John