Polarimeter.
Size: 4608px × 3456px
Photo credit: © History of America / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: america, american, americana, ancient, archival, archive, artefact, artistic, cultural, culture, editorial, gallery, heritage, historic, historical, history, medicine, museum, nostalgia, nostalgic, object, photography, physical, science, sciences, states, traditional, united, usa, vintage