Cady, Walter Guyton, 1874-1973 (physicist) Search this
Former owner:
National Museum of American History (U.S.). Division of Electricity and Modern Physics Search this
Extent:
22.5 Cubic feet (73 boxes)
Type:
Collection descriptions
Archival materials
Notebooks
Date:
1903-1974
Scope and Contents:
Consists chiefly of Cady's research notebooks on various subjects in physics and a considerable technical reprint file; some records of Cady's consultant work and patents granted.
Arrangement:
Divided into 11 series.
Series 1: Research Notebooks, 1896 1972
Series 2: Chapter Drafts for Piezoelectricity An Introduction To The Theory And Applications Of Electromechanical Phenomena In Crystals, 1945
Series 3: Technical Reprint Files, 1900s-1960s
Series 4: Walter G. Cady's Writings and Reviews, 1950s-1960s
Series 5: Consultant Work, 1931-1967
Series 6: Institute of Radio Engineers (IRE), 1945-1963
Series 7: Institute of Electric and Electronics Engineers (IEEE), 1932-1973
Series 8: Patent Records, 1914-1974
Series 9: Books, 1887-1960
Series 10: Miscellaneous, 1949-1973
Series 11: Card Indexes, 1940s-1960s.
Biographical / Historical:
Walter Guyton Cady (1874 1973) was born in Providence, Rhode Island. He graduated from Brown University (Bachelors 1895 and Masters 1897) and from the University of Berlin (Ph. D. Physics, 1900). Cady worked at a magnetic observatory of the U.S. Coast and Geodetic Survey from 1900-1902. In 1902, Cady joined the faculty of Wesleyan University as a professor of physics where he remained until 1946. During WW I, Cady used piezoelectricity—electricity or electric polarity due to pressure especially in a crystalline substance as quartz—and underwater sound to make devices that would locate enemy submarines. From this work evolved the crystal resonator and oscillator. Piezoelectricity is utilized in microphones, phonograph pickups, and telephone communications systems.
During World War II, Cady worked on military applications of piezoelectricity. Among the applications were supersonic trainers for radar operators, which employed piezoelectric transducers in liquid tanks to generate realistic echoes on radar indicators. In 1946, Cady published a book titled Piezoelectricity An Introduction To The Theory And Applications Of Electromechanical Phenomena In Crystals, 1946. After his retirement in 1951 to Pasadena, California, Cady returned to Providence, Rhode Island in 1963 and was active in consulting work for industry and the Federal government. Cady was an active member of Institute of Radio Engineers (IRE), becoming a fellow of the institute in 1927 and receiving the Morris N. Liebmann Memorial Award in 1928. He also received the Dudell Medal from the Physics Society of Great Britain in 1936. Cady also served as an editor for the PROCEDDINGS OF IRE and as president of IRE, was Editor of the Physical Review from 1924-1926, a member of the national Research Committee, 1935-1938, and a fellow of the American Academy of Arts and Sciences. Cady's principal interests included the study of electrical discharges in gases, detection of wireless waves, piezoelectricity, ultrasonics, piezoelectric resonators and oscillators, and crystal devices.
Cady married Kathrin Olive Miller (1883-1909) and they had one son, Willoughby Miller Cady (1907-1953), also a physicist.
Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 44, Folder 16
Type:
Archival materials
Date:
undated
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 49, Folder 8
Type:
Archival materials
Date:
1954
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Notebook J, Hypothetical devices, thermo-electric vibrator, photo-cell to control vibrations, energy produced by a rotating dielectric, television by totally reflecting prism, optical transmission line, reading device for the blind, ultrasonic images, ...
Collection Creator:
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 3, Folder 3
Type:
Archival materials
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Notebook BC, 1Notes on ultrasonics, streaming acoustic energy, mostly in connection with the Radiation Laboratory contract
Collection Creator:
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 5, Folder 4
Type:
Archival materials
Date:
945
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 6, Folder 5
Type:
Archival materials
Date:
1945-1946
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Notebook BS, Condenser radiometer, lengthwise vibration theory, optical methods in ultrasonics, transducer and resonator theory
Collection Creator:
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 7, Folder 8
Type:
Archival materials
Date:
1947-1948
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Notebook CE, Crystal equivalent network, ultrasonic reflection, and tractrix.
Collection Creator:
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 9, Folder 1
Type:
Archival materials
Date:
1951-1963
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Notebook AU, Abstracts from various authors on Ultrasonics
Collection Creator:
Cady, Walter Guyton, 1874-1973 (physicist) Search this
Container:
Box 22, Folder 2
Type:
Archival materials
Date:
undated
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Walter Guyton Cady Papers, 1903-1974, Archives Center, National Museum of American History.
Integrated Circuit Engineering Corporation. Search this
Type:
Archival materials
Scope and Contents note:
Content Summary: Ultrasonic Wire Bonding of Microelectronic Circuits
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
I.C.E. Integrated Circuit Collection, Archives Center, National Museum of American History
Integrated Circuit Engineering Corporation. Search this
Container:
Box 2 (Series 18), Folder 11
Type:
Archival materials
Photographs
Date:
undated
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
I.C.E. Integrated Circuit Collection, Archives Center, National Museum of American History
Integrated Circuit Engineering Corporation. Search this
Container:
Box 2 (Series 18), Folder 12
Type:
Archival materials
Photographs
Date:
undated
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
I.C.E. Integrated Circuit Collection, Archives Center, National Museum of American History
Integrated Circuit Engineering Corporation. Search this
Container:
Box 2 (Series 18), Folder 13
Type:
Archival materials
Photographs
Date:
undated
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
I.C.E. Integrated Circuit Collection, Archives Center, National Museum of American History
Gerber Scientific Instrument Company (Hartford, Conn.). Search this
Container:
Box 60, Folder 13
Type:
Archival materials
Date:
1980 June 5
Collection Restrictions:
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection Citation:
Gerber Scientific Instrument Company Records, Archives Center, National Museum of American History, Smithsonian Institution.
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests.
Collection Citation:
Sally K. Ride Papers, Acc. 2014-0025, National Air and Space Museum, Smithsonian Institution.
The collection is open for research use. Gloves must be worn when handling unprotected photographs and negatives.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions. Copyright held by the Smithsonian Institution.
Collection Citation:
Ralph H. Baer Papers, 1943-2015, Archives Center, National Museum of American History, Smithsonian Institution.
The collection is open for research use. Gloves must be worn when handling unprotected photographs and negatives.
Collection Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions. Copyright held by the Smithsonian Institution.
Collection Citation:
Ralph H. Baer Papers, 1943-2015, Archives Center, National Museum of American History, Smithsonian Institution.
