creator Vagtborg, Harold A. creator Camras, Marvin creator Zenner, Raymond E. Submitted by Aric Ahrens (ahrens@iit.edu) on 2010-01-27T18:42:16Z No. of bitstreams: 1 2429703.pdf: 314207 bytes, checksum: 3417df453c23be2e6e558bb7b19d1877 (MD5) Made available in DSpace on 2010-01-27T18:42:16Z (GMT). No. of bitstreams: 1 2429703.pdf: 314207 bytes, checksum: 3417df453c23be2e6e558bb7b19d1877 (MD5) Previous issue date: 1947-10-28 Armour Research Foundation 1947-10-28 2,429,704 http://hdl.handle.net/10560/53 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access