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AJHD - Adam Hart-Davis (1182)


(c) AJHD: Adam Hart-Davis, http://www.adam-hart-davis.org/. For full-quality high-res copies of more of Adam Hart-Davis' photos (not free!), please contact the Science Photo Library in London by email or phone +44 (0) 20 7432 1100.

abacus 1 AJHD.jpg ... abacus 4 AJHD.jpg


ThumbnailExhibit Name
Thumbnailabacus 1 AJHD.jpg (Mechanoids)
Thumbnailabacus 2 AJHD.jpg (Mechanoids)
Thumbnailabacus 3 AJHD.jpg (Mechanoids)

On wooden surface, being operated.

Thumbnailabacus 4 AJHD.jpg (Mechanoids)

On white surface, being operated.

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