Talk:Stanhope (optical bijou)

A fact from Stanhope (optical bijou) appeared on Wikipedia's Main Page in the Did you know column on 4 July 2009 (check views). The text of the entry was as follows:

Did you know... that in 1864, René Dagron produced a stanhope which enabled the viewing of a microphotograph that included the portraits of 450 people in an area of 1 mm²?

A record of the entry may be seen at Wikipedia:Recent additions/2009/July.

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