Scientists with a model dirigible at the California Institute of Technology in the 1920s or 1930s. Four different views. View 2: a scientist measures the front of a model dirigible, while his partner writes down the information. View 3: scientists stand around a model dirigible. (Photo same as view 1, see 00036336.) View 4: three scientists around a model dirigible. View 5: two scientist work on a model dirigible.
California Institute of Technology Universities and colleges--California--Pasadena Airships--California--Pasadena Models and modelmaking--California--Pasadena Scientific apparatus and instruments Pasadena (Calif.)
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