Reports, Articles and Memorial Information, 1901 - 1907

Second Progress Report of the Committee for Investigating the Photometric Values of Arc Lamps, Matthews, C. P., Photometrist to the Committee. Read before the National Electric Light Association at its twenty-fourth convention held at Niagara Falls, New York, May 21, 22 and 23, 1901.

Lamp Efficiencies - Experiments for Shelby Electric Co., 1901.

Third Progress Report of the Committee for Investigating the Photometric Values of Arc Lamps, Matthews, C. P. Read before the National Electric Light Association at its twenty-fifth convention held at Cincinnati, Ohio, May 20, 21 and 22, 1902.

An Integrating Photometer for Glow Lamps and Sources of Like Intensity, Matthews, Charles P. A paper read at the 169th meeting of the American Institute of electrical Engineers, New York, October 24, 1902.

The Matthews Integrating Photometer - Advertisement dated April 20, 1903. Invented by Professor C. P. Matthews, Purdue University, and fully described and discussed in Transactions of the A. I. E. E., Nov., 1902.

The Dog That Talked - A talk given by Charles P. Matthews at a convocation in Eliza Fowler Hall, ca. February 26, 1907.

Memorial program, December 4, 1907 and death announcement, November 25, 1907.