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Thursday, November 11, 2010

Engraved illustration, "insect vivarium," 1866

Engraved illustration, "insect vivarium," 1866
300ppi, 3x6"


Engraved illustration, "vortex rings," 1887

Engraved illustration, "vortex rings," 1887
300ppi, 2x3"


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"