APA Citation

Mason, T. H., & Thomas H. Mason & Sons photographers. (1890). Etching/copperplate - man instructs on use of spectroscope.

MLA Citation

Mason, Thomas Holmes, and Thomas H. Mason & Sons photographers. Etching/copperplate - Man Instructs on Use of Spectroscope. 1890.

Warning: These citations have been automatically generated and may not always be 100% accurate..