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Mechanical logic gate
From an old notebook my grandfather gave me. This came from a series of magazine articles by William S. Bennett in the 1960s.
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Uploaded on January 30, 2012
Taken on January 30, 2012
Mechanical logic gate
From an old notebook my grandfather gave me. This came from a series of magazine articles by William S. Bennett in the 1960s.
520
views
0
faves
0
comments
Uploaded on January 30, 2012
Taken on January 30, 2012