![](http://www.alamy.com/thumbs/6/B84DB6DE-B904-43D1-AA55-E5F9F4B1D52B/W15M20.jpg)
Archive image from page 164 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 161
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Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
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Keywords: 1970, archive, book, bookauthor, bookdecade, bookpublisher, booksponsor, booksubject, bookyear, boston_library_consortium_member_libraries, drawing, historical, history, hulls_naval_architecture_, illustration, image, naval_civil_engineering_laboratory_port_hueneme_calif, page, picture, port_hueneme_calif_u_s_naval_civil_engineering_lab, print, reference, stachiw_jerry_d_1931_, submersibles, vintage