1. Machines for making ice, using sulphurous acid or ammonia in the process Author(s): Raoul, Pictet & Co., author. Publication: Philadelphia : Merrihew & Son, printers, [1879] Subject(s): Refrigeration -- methodsIceSulfidesAmmoniaEquipment and Supplies
2. Report on Research: Supported by Rockefeller Fund, July 1, 1932- July 1, 1933 Publication: Produced: 24 October 1933 Subject(s): X-Ray DiffractionSulfidesCrystallography, X-Ray Archival Collection: The Linus Pauling Papers (Profiles in Science)
