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 RECOMMENDATIONS 156 



ACKNOWLEDGMENTS 158 



APPENDIXES 



A — Detailed Dimensions of 66-lnch-Diameter Acrylic 



Plastic Hull for NEMO System 160 



B — Photoelastic Investigation of Capsules 175 



C - Dimensional Deviations of NEMO Models 183 



D — Feasibility Study of Equatorial Ring for the 

 Attachment of the Acrylic Plastic Capsule to 

 the Framework of a Submersible System 187 



E — Exploratory Investigation into the Feasibility 

 of Acrylic Plastic Capsules for Ocean Depths 

 Beyond 600 Feet 195 



F — Fabrication of Operational 66-lnch-OD x 



61-lnch-ID Acrylic Capsules 202 



REFERENCES 215 



