Archive image from page 194 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 T •3 , typical radially taper; iole / located at the equator of the caps :.. (a) Overall view of the capsule (b) Detail of the radially tapered hole. Figure D-4. Acrylic plastic capsule prior to being outfitted with polar steel end closures, pins, and equatorial ring. 191

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