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rb4door · 05-17-07, 04:27 AM

from my reading i've found the observation or "sky" periscope had a much larger head lense than the attack periscope - it was for navigation purposes and for actually viewing the sky - i'm assuming for weather reporting.

05-17-07, 04:27 AM	#2
rb4door Machinist's Mate Join Date: Apr 2007 Location: St Naz Posts: 129 Downloads: 0 Uploads: 0	from my reading i've found the observation or "sky" periscope had a much larger head lense than the attack periscope - it was for navigation purposes and for actually viewing the sky - i'm assuming for weather reporting.