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Creator
- Arnold, Frank H. 1
- Electrical Research Laboratories 1
- General Chemical Company 2
- Gordon & Belyea Limited 1
- Hammerton, J. A. (John Alexander), 1871-1949 1
- Holst, Bernhart Paul, 1861- 8
- Johnson, Clifton, 1865-1940 1
- Johnston, Harry H. 1
- Klickmann, Flora 1
- Lodge, Oliver, Sir, 1851-1940 1
- Maclean, H. B. 1
- Mortimer, Lillian, -1946 1