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Well...... since there doesn't seem to be an over abundance of discussion,
at the moment, of technical matters concerning submersibles will take it upon
myself to ask another question !
I noticed in the picture archives #39 contributed by Rick Lucertini
there are some diagrams of view ports, the conical shaped view port with the o
ring half way between the inside surface and the outside surface is the design I
am planning to use for two of my view ports. Is the angle on those acrylic
view ports 45 degrees or could the angle be less than 45 degrees.
Brian Cox
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