NEWS FOCUS
Lens tester Stretching eight stories above ground (another 70 feet below ground) this collimator at Wright-Patterson Air Force Base, Ohio, will be used to test lenses. Corning Glass made the 8-foot mirror installed at the bottom of the 155foot vertical tube. The entire tube is a dust-free vacuum chamber
opâCe Structure u m b r e | | a l i k e object, which developer Lockheed Missiles & Space Co. calls a preprototype model of an expandable space structure, is tailored from a textile The Fyrel fabric, made by f a b r i c w j t h s e w n s e a m s w h i c h i s 1 0 0 o / o stainless steel. F a b r i c R e s e a r c h Laboratories, Inc., Dedham, Mass., came out of that company's program to develop high-temperature-resistant textile materials This
Ceiling The new fine arts auditorium at Calvin College, Grand Rapids, Mich., has an adjustable plastic ceiling that can be "tuned" to achieve the proper acoustical effect. 104 pieces of Rohm and Haas' Kydex acrylic-PVC sheet which snap over a framework of aluminum conduit piping reflect the sound. The frame can be adjusted by pulleys
Cylinder A time-consuming maintenance chore was eliminated when SunOlin Chemical hired a helicopter to install a 3000pound cylinder on top of a 250-foot stack at its Claymont, Del., plant. Replacing the cylinder, a flare tip which controls burning of waste gases, usually required a large crane or rigging
Boat A boat a minute is the production schedule for these craft. The deck and hull are molded of single pieces of Uniroyal's Royalite ABS plastic. The boat, which weighs only 250 pounds, was exhibited for the first time at the 1968 Design Engineering Show in Chicago
MAY 20, 1968 C&EN
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