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jul 26, 1250 - Magnifying glass (Flea glasses) invented

Description:

In 1250 an Englishman named Roger Bacon invented the Magnifying glass. The magnification was from x6 - x10 and they were known as flea glasses as they were used for inspecting tiny insects.

Added to timeline:

9 months ago
1
0
480
KF microscope history

Date:

jul 26, 1250
Now
~ 768 years ago

Images:

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