History of Science
![IoM[2] - Camera Obscura](http://cdn.ipernity.com/200/24/22/50792422.34bb9559.100.jpg?r2 "IoM[2] - Camera Obscura")
![ESP - 94a / O&S - old projector [2 of 2]](http://cdn.ipernity.com/200/30/96/50363096.5401e1c1.100.jpg?r2 "ESP - 94a / O&S - old projector [2 of 2]")
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About this group
Artifacts, people, places and reconstructions that relate to the history of science, engineering and technology.
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