Archive image from page 63 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 Figure 32. Milling the edges of spherical pentagon for the 15-inch-diameter capsule. Figure 33. Milling the edges of spherical pentagon for the 66-inch-diameter capsule. 60

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