Optophone(en.wikipedia.org)
68 points by Hooke | 12 comments
First screen, captured .
Looks similar
Armstrong Effect(en.wikipedia.org)
36 points by userbinator | 2 comments
Pyrophone(en.wikipedia.org)
71 points by drdee | 13 comments
Flocken Elektrowagen(en.wikipedia.org)
15 points by hyperific | 1 comments
Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
Telefon Hírmondó(en.wikipedia.org)
89 points by csense | 20 comments