1890 Article Optical Telegraphy Vintage Projecting Lantern Lamp Colonel MAB1 XENA2 the most famous of all

the most famous of all racing yachts

Library Package

Rare Old Canadian Whiskey from the Seagram-Distillers Corp

located at the corner of Broadway and Fifth Street in Los Angles

This is an original 1899 halftone print of a summer's evening on the beach

1890 Article Optical Telegraphy Vintage Projecting Lantern Lamp Colonel MAB1 XENA2 the most famous of allThis 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