Signedstencilled in gold letters: Max Kohl, Chemnitz
FunctionA photometer is an instrument used to measure the brightness, or intensity of an unknown light source.
Historical AttributesThis photometer appears among the apparatus that the new Harvard Psychological Laboratory (established in 1891) took to the Columbian Exhibition in Chicago in 1893 as an example of equipment for the New Psychology. It is recorded in Hugo Munsterberg's description of the Lab in 1893 as item:
192. Photometer. After Bunsen and Toepler, by Kohl, Chemnitz. $12.
Primary SourcesHugo Munsterberg, "Psychological Laboratory of Harvard University" (1893), item 192.
(online at this website.)
Max Kohl, Educational and Laboratory Furniture for Physics, Chemistry and Biology Class Rooms and Laboratories (Chemnitz: Max Kohl A.G., [ca 1925]), 386, no. 88 710.
ProvenanceFrom the Department of Psychology, William James Hall, Harvard University.