This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Houghton MS Typ . en Illustration from Polyhedra and other solidgeometric figures dated and lib harvard edu MS Typ Houghton Library Harvard University lib harvard edu MS Typ Houghton Library Harvard Universitybr institution Houghton Library Lorenz Str This is media file that Houghton Library believes to be in the public