Cosmic-Ray Results and Summaries to 1959 (Researches of the Department of Terrestrial Magnetism Volume XXI) By Liselotte Beach, S.E. Forbush Books / Hardcover Science, Technology, Engineering, Mathematics › Science Publisher: Carnegie Institution of Wshington, January 1961 Price $19.95 Free Shipping Send to a friend Used - Very Good Very Good condition. Volume XXI. (cosmic rays, cosmic radiation ) A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner’s name, short gifter’s inscription or light stamp. $19.95 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.