[Pursuivant]

Your request didn't translate very well to English.

Were you looking for a clearer picture of the valve, or a picture with a different angle?

For the latter, this picture is the best I've found so far:

http://www.avrosys.nu/aircraft/Trans...5/255Tp5-3.htm

More pictures which might be helpful:

https://commons.wikimedia.org/wiki/F...au22Sept09.jpg
http://airbil.com/ajbs/musee/museepa...pit-Master.htm
https://www.flickr.com/photos/andyboohh/3309072177
http://www.khs.at/dm/21.htm
http://www.forsvaretsmuseer.no/nor/L...-Ju-52-Cockpit
https://www.warhistoryonline.com/wp-...52_cockpit.jpg
http://axis.classicwings.com/Luftwaf...%20Junkers.htm
http://asmrb.pbworks.com/w/page/99562807/Junkers%20Ju52
http://www.ignomini.com/aviation/ju52/ju52article.html
http://www.gettyimages.com/detail/ne...hoto/542427131
http://war.by-airforce.com/images/ar...m-G4E-full.jpg
https://keadive.gr/second-dive-logbo...ft-junkers-52/
http://mikesmodeling.blogspot.com/20...a-cockpit.html
http://c7.alamy.com/comp/D7FRM2/cock...aft-D7FRM2.jpg
http://ed-thelen.org/Munich/MunichTr...t.html#Junkers