Roger Bacon — Discoveries of the Church — 2nd Series

Description

Illustration showing Roger Bacon, a Franciscan monk, using a telescope in a laboratory. Printed text at the bottom: 'MAGNIFYING GLASSES — Roger Bacon, Franciscan monk, born in 1214, died in 1294. Discovered magnifying glasses. He was the creator of the experimental method. Mersime Narin, minor religious, real inventor of the telescope that he built, twenty years after Gregorien.' Reverse: correspondence section with recipient's address, text indicating that correspondence on the front is not accepted by all foreign countries.