Box 1
Contains 10 Results:
Trade literature and correspondence on ultraviolet equipment, 1926-1930
The materials in this series were originally housed in a letter file labeled “Ultraviolet.” The documents include correspondence and literature on methods for measuring and recording ultraviolet wave lengths. Some of this material is trade literature.
Letter from E. C. Friday, May 6, 1929
National Carbon Company, Inc.
L & N Student's Potentiometer, undated
The materials in this series were originally housed in a letter file labeled “Ultraviolet.” The documents include correspondence and literature on methods for measuring and recording ultraviolet wave lengths. Some of this material is trade literature.
Uviarc Lamps and the Ultra-Violet, undated
Cooper Hewitt Electric Co.
Lab-Arc, undated
The materials in this series were originally housed in a letter file labeled “Ultraviolet.” The documents include correspondence and literature on methods for measuring and recording ultraviolet wave lengths. Some of this material is trade literature.
Letter from H. P. Gage; Letter from R. D. Mailey, June 4, 1923; June 18, 1923
Corning Glass Works; Cooper Hewitt Electric Co.
Letter to G. C. Hall from A. B. McKenna; E. E. Dorting, June 3, 1931
The materials in this series were originally housed in a letter file labeled “Ultraviolet.” The documents include correspondence and literature on methods for measuring and recording ultraviolet wave lengths. Some of this material is trade literature.
Letter from M. J. Dorcas, May 9, 1929
The materials in this series were originally housed in a letter file labeled “Ultraviolet.” The documents include correspondence and literature on methods for measuring and recording ultraviolet wave lengths. Some of this material is trade literature.
Glass Color Filters, undated
Corning Glass Works
Wratten Light Filters, undated
Eastman Kodak Company