Signedstamped in gold on top of case: BAUSCH & LOMB OPTICAL CO. / ROCHESTER, N.Y. / New York Chicago
Inscribedon paper on underside of lid: Keep mirror inside case when not in use and in dry place. / Do not allow moisture or fingers to come in contact / with silvered surface. / Clean with camels hair brush. / Do not wipe.
FunctionStudying visual sensations.
ProvenanceDepartment of Psychology, Harvard University.