James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Museum of the History of Science
James F Clay:
Brass
James F Clay:
Microscope #photo365
James F Clay:
Glass
James F Clay:
Dial
James F Clay:
Camera