University of Michigan Professor of Physics, Ora S. Duffendack, uses an electronic microscope, February 1942 Photographer: Attributed to Eck Stanger
Year:
1942
Copyright
Copyright Protected
University of Michigan Professor of Physics, Ora S. Duffendack, uses an electronic microscope, February 1942 Photographer: Attributed to Eck Stanger
Year:
1942
Copyright
Copyright Protected