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Re: [PSUBS-MAILIST] tank periscope optics

To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] tank periscope optics
From: SeaLordOne@aol.com
Date: Tue, 16 Apr 2002 18:05:07 EDT

Shipmates,

I assume that folks want tank periscopes so they can take the prisms out and mount them in their own tubes.

Now there are short American tank periscopes that are filled with clear plastic that is shock resistant. They may not be good to 200 feet, but may be better than a hollow tube.

Doug Farrow

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