Description: First aid demonstration at Bureau of Mines exhibit at the Panama-Pacific International Exposition, San Francisco, Califonia, 1915, MAH-8187.
Description: Sixth Secretary of the Smithsonian Institution Alexander Wetmore examines study skins of birds collected on his expeditions for his next volume of "The Birds of Panama," OPA-1378-18A.
Description: "Multiple Hearth Roasting Furnace loaned by The Furnace Patent Co., Philadelphia PA." Department of the Interior Bureau of Mines exhibit at the Panama-Pacific International Exposition in San Francisco, California, 1915.
Description: Dr. Brian C. Bock, a visiting scientist at Smithsonian Tropical Research Institute, holds a salamander found near Pipeline Road in Gamboa, Panama, 86-2458.
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