1890 Article Optical Telegraphy Vintage Projecting Lantern Lamp Colonel MAB1

This is an original 1890 two-page (1 page, double-sided) article about the Optical Telegraphy, devised by Colonel Mangin, a French officer. Of the plans proposed by this officer, two were commonly used, one involving the use of lenses; and the other the telescopic system. In the first, the source of the light is a simple petroleum lamp; while the second utilizes the sunlight or electric light.

Please see both images.

CONDITION

This 121+ year old Item is rated Very Fine. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Please note that there is bleed through showing in this article.

• Product Type: Original Print Article; Black / White
• Grade: Very Fine
• Dimensions: Approximately 9 x 12.25 inches; 23 x 31 cm
• Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
• Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)

Keywords specific to this image: vintage apparatus, morse code, signaling

MAB1A4C90