piet Posted December 16, 2022 Share Posted December 16, 2022 Who can explain to me ( or a link on the WWW ) where these markings were placed. Thanks in advance. 2 Link to comment Share on other sites More sharing options...
GazzaS Posted December 16, 2022 Share Posted December 16, 2022 They could appear on any unpainted surface. So, if you were doing a plane with some damage, these could appear on the interior sheet aluminum parts. 3 Link to comment Share on other sites More sharing options...
Martinnfb Posted December 17, 2022 Share Posted December 17, 2022 This was factory stamping of the aluminium sheets, with the name and parameters of the material. There were several different suppliers. As Gas said usually installed inwards. 3 Link to comment Share on other sites More sharing options...
Martinnfb Posted December 17, 2022 Share Posted December 17, 2022 3 Link to comment Share on other sites More sharing options...
Martinnfb Posted December 17, 2022 Share Posted December 17, 2022 Still happening nowadays 1 2 Link to comment Share on other sites More sharing options...
GazzaS Posted December 17, 2022 Share Posted December 17, 2022 Martin, once again you earn your crown as the king of research photos. 4 1 Link to comment Share on other sites More sharing options...
piet Posted December 17, 2022 Author Share Posted December 17, 2022 4 Link to comment Share on other sites More sharing options...
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