Variant Title:
Technical data on Corning's #7740 glass
Notes:
Caption title.
Included with five catalogs in a three-ring notebook, "Pyrex double-tough drainline pipe fittings and accessories" (Bib 91731); each catalog is listed separately in Voyager.
Digitized by Boston Photo Imaging, July 2015 for possible inclusion in America's Favorite Dish: Celebrating a Century of Pyrex (June 6, 2015 - March 16, 2016) or the associated Pyrex Potluck website.