Postzegelcode(en.wikipedia.org)
204 points by tdeck | 80 comments
First screen, captured .
Looks similar
Telefon Hírmondó(en.wikipedia.org)
89 points by csense | 20 comments
Nyquist Frequency(en.wikipedia.org)
70 points by 1_over_n | 61 comments
Optophone(en.wikipedia.org)
68 points by Hooke | 12 comments
Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
Cardan grille(en.wikipedia.org)
40 points by Vigier | 4 comments