Francis Jehl at reconstructed Menlo Park lab, Sprengel pump at left, p...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Francis Jehl, President Herbert Hoover, and Thomas Edison at reconstru...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Francis Jehl, Thomas Edison, President Herbert Hoover, and Henry Ford ...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Francis Jehl, Thomas Edison, President Herbert Hoover, and Henry Ford ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Thomas Edison and Francis Jehl with Sprengel pump at reconstructed Men...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Francis Jehl, President Herbert Hoover, Thomas Edison, and Henry Ford ...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Thomas Edison and Francis Jehl with Sprengel pump at reconstructed Men...
Public domain photograph related to Thomas Edison National Park, inventor, electricity, free to use, no copyright restrictions image - Picryl description
Thomas Edison with his main collaborators at Menlo Park. L to R- T. Se...
Thomas Edison with his main collaborators at Menlo Park. L to R: T. Seymour, "Basic" Lawson, J.F. Randolph, G. Carman, F. MacLoughlin, J.F. Ott, Dr. Haid, F.R. Upton, Thomas Edison, Charles Batchelor, Francis ... More
Sitting L. to R.- Charles L. Clarke, John W. Howell, John W. Lieb; sta...
Sitting L. to R.: Charles L. Clarke, John W. Howell, John W. Lieb; standing L. to R.: Francis Jehl, Frank A. Wardlaw, Charles E. Estabrook. Keywords: employees; new york city; new york; Edison Companies and ... More