Subjects: Refrigeration -- methods - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Refrigeration -- methods ✖

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 -- methods
Ice
Sulfides
Ammonia
Equipment and Supplies

2. A process of obtaining a dry cold current of air from ice, and its different applications

Author(s):: Schooley, John C.
Publication:: Cincinnati : Abbott & Kinney, printers, 1855
Subject(s):: Refrigeration -- methods
Ice
Patents as Topic