Engraved illustration, "insect vivarium," 1866
300ppi, 3x6"
Thursday, November 11, 2010
Engraved illustration, mechanical bird's head, 1887
Engraved illustration, mechanical bird's head, 1887
300ppi, 3x4"
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Engraved illustration, magnetic "induction top," 1887
Engraved illustration, magnetic "induction top," 1887
300ppi, 2x3"