[WWI] SPAD 13 Internal fitting

Carlos Carreira cacarr1960 at gmail.com
Wed Apr 18 09:27:16 EDT 2007


Gérard Hartmann has an excelent article on the use of aluminium in aircraft
industry
http://www.hydroretro.net/etudegh/aluminium_historique.pdf

Carlos

On 4/18/07, Crawford Neil <Neil.Crawford at volvo.com> wrote:
>
> OK, then if it was an aluminium fitting they left it unpainted,
> steel was probably painted, and brass perhaps not?
> How common were aluminium fittings this early? I thought aluminium
> was a rather modern material?
> /Neil C.
>
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