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ouPhrontis · 10-11-18, 05:35 AM

Found out more;

The VII were fitted with Tyfon air 'whistles', two I believe, running off compressed air.

"The tyfone air whistle can be operated from conning tower and from the bridge."

Almost certainly like this:

http://www.uboatarchive.net/U-570/U-570Plate12.htm

10-11-18, 05:35 AM	#6
ouPhrontis Bosun Join Date: Sep 2018 Posts: 63 Downloads: 5 Uploads: 0	Found out more; The VII were fitted with Tyfon air 'whistles', two I believe, running off compressed air. "The tyfone air whistle can be operated from conning tower and from the bridge." Almost certainly like this: http://www.uboatarchive.net/U-570/U-570Plate12.htm Last edited by ouPhrontis; 10-11-18 at 05:46 AM.