[PSUBS-MAILIST] Viewports on concrete subs

[John Brownlee <jonnie@scarymonsters.net>]

	We seem to have gathered a critical mass of expertise in concrete
pressure vessels together here, wonderful! I am interested in how past
concrete subs have treated the interface between the acrylic viewport mount
and the ferrocement vessel. Is differential response to stress, for
example, a significant factor?

	This has been a very improving dialog, thank you!

-- 
							John

John Brownlee
Chief Systems Administrator
Scary Monsters Network
jonnie at scarymonsters dot net