6 Nat L Museum Image: LOC's Public Domain Archive Public Domain Search}

Secy. of Labor Davis delivering the opening address at first meeting of the Nat'l Industrial Women's Conference, Jan. 11, 1923, at the Nat'l Museum

A black and white photo of a man giving a speech, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Gift; Harris & Ewing, Inc. 1955. General inf More

Pres. Coolidge leaving the Nat'l Museum where he addressed the Nat'l Outdoor Recreation Conf. Left to right: Secy. Hoover; Richard Jarvis; Pres. Coolidge; Secy. Slemp; and Capt. Andrews

A black and white photo of men in suits and hats, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Date based on date of negatives in same rang More

First radio vacuum tube. Carl W. Mitman, Curator of Engineering, US Nat'l Museum, holding what is believed to be the 1st radio tube. It was made in 1898 by D. Mefarlan Moore of NY. Radio waves emanating from this tube ignited a bomb a city block away and blew up a miniature of the Battleship Maine

A black and white photo of a man reading a newspaper, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Date based on date of negatives in same More

Miss Frances Densmore, expert in Indian music, who has been added to the staff of the Nat'l Museum at Wash., she was formerly connected with the Amer. Bureau of Ethnology, the Smithsonian. She is now in charge of the unique collection of musical instruments gathered from all lands and located in the Museum. Here shows with 2 of the oldest musical instruments of the Indians, an old violin and a horn made from elephant tusk

A woman sitting at a table working on a basket, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Date based on date of negatives in same range. More

Exhibits at Nat'l Museum - Glass negative photogrpah. Public domain.

Title from unverified data provided by the National Photo Company on the negative or negative sleeve. Date from negatives in same range. Gift; Herbert A. French; 1947. General information about the National Pho More

William H. Egberts of Nat'l Museum with Siamese musician, 51125

Title from unverified data provided by the National Photo Company on the negative or negative sleeve. Gift; Herbert A. French; 1947. General information about the National Photo Company collection is available More