Ren Dagron - CDV Back, ca 1865 - a photo on Flickriver

Ren Dagron - CDV Back, ca 1865

Maker: René Dagron (1817-1900)
Born: France
Active: France
Medium: albumen print
Size: 2 1/4 n x 4 in
Location:

Object No. 2025.036b
Shelf: E-17-D

Publication:

Other Collections:

Provenance: photowide
Rank:

Notes: René Prudent Patrice Dagron (17 March 1817 – 13 June 1900) was a French photographer and inventor. He was born in Aillières-Beauvoir, Sarthe, France. On 21 June 1859, Dagron was granted the first microfilm patent in history. Dagron is also considered the inventor of the miniature photographic jewels (French: Bijoux photographiques microscopiques) known as Stanhopes because a modified Stanhope lens is used to view the microscopic picture attached to the lens. During the Siege of Paris (1870–1871) by the Prussian armies Dagron proposed to the authorities to use his microfilming process to carry the messages by carrier pigeons across German lines.

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Taken on: January 15, 2025

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