Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York
Catalog: Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York. 2nd Edition, 1905, pp. 10-11.
Catalog: Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York. 2nd Edition, 1905, pp. 10-11.