1932 Democratic National Convention items and Masonic apron. Convention items: reception badge, delegate badge,<br> Governor's staff ribbon, delegate ticket book <br> and ""William H. Murray for President"" pin.
On the Revolutions of the Heavenly Spheres presents Copernicus's evidence and arguments for heliocentric theory, principally that the Earth revolves around the sun, contrasting with the Ptolemaic, or geocentric model, which maintained the Earth was...
