// todo need optimize like in event.jsp. Add indexing or not indexing this page. Charles A. Spencer (30 mars 1850 – 18 juill. 1850) (La bande de temps)
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Charles A. Spencer (30 mars 1850 – 18 juill. 1850)

Description:

Charles A. Spencer was an American that had built great optical equipment and founded a industry around this time.

Ajouté au bande de temps:

Microscope

ByGrace
2 nov. 2017

Date:

30 mars 1850
18 juill. 1850
~ 3 months and 20 days

Les images:

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