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Archive image from page 203 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 Figure E-3. Cracks in the beveled bearing surface of the polar acrylic plastic pentagon viewed at a right angle to the cut through the bearing surface. Capsule failed after 1,575 minutes of sustained loading at 3,000 psi. Figure E-4. Cracks in the beveled bearing surface of the polar acrylic plastic pentagon viewed at a right angle to the cut through the bearing surface. Capsule failed after 23 minutes of
Archive image from page 203 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 Figure E-3. Cracks in the beveled bearing surface of the polar acrylic plastic pentagon viewed at a right angle to the cut through the bearing surface. Capsule failed after 1,575 minutes of sustained loading at 3,000 psi. Figure E-4. Cracks in the beveled bearing surface of the polar acrylic plastic pentagon viewed at a right angle to the cut through the bearing surface. Capsule failed after 23 minutes of sustained loading at 4,000 psi. 200
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Photo credit: © Actep Burstov / Alamy / Afripics
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