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James Cridland

Hollerith punch card reader at Bletchley Park

...as used by my grandmother while code-breaking. Wow.

 

(Taken by my brother during a visit there)

5,456 views
4 faves
3 comments
Uploaded on February 16, 2009
Taken on January 8, 2008

Hollerith punch card reader at Bletchley Park

...as used by my grandmother while code-breaking. Wow.

 

(Taken by my brother during a visit there)

5,456 views
4 faves
3 comments
Uploaded on February 16, 2009
Taken on January 8, 2008
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