X-Nico

2 unusual facts about Magnifying glass


Magnifying glass

The earliest evidence of a magnifying device was a joke in Aristophanes's The Clouds from 424 BC, where magnifying lenses to start kindling were sold in a pharmacy, and Pliny the Elder's "lens", a glass globe filled with water, used to cauterize wounds.

A Coddington magnifier provides higher magnification with improved image quality.


Guía Roji

Many modern Guía Roji editions include a plastic flat magnifying glass, entire Metro networks for Mexico City and Monterrey, and, for the Mexico City edition, a folding map containing the Distribuidor Vial and the Centro Histórico.


see also

Tintin postage stamps

The stamp featured Tintin and Snowy with a magnifying glass examining a stamp depicting Captain Haddock.