Cover Photo

Difference engine at the Computer History Museum

Fully operational difference engine at the Computer History Museum in Mountain View, California

This morning I’ve remembered about photos done in USA back in 2010 during visiting Web 2.0 Expo in San Francisco, California. After that event we here visiting Computer History Museum and I’ve made a photo of Babbage Difference Engine. So this is part of it: number wheels :-)

Impressive thing, isn’t it?

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