1890 Article Optical Telegraphy Vintage Projecting Lantern Lamp Colonel MAB1 XENA2 This is an original 1925

This is an original 1925 photogravure of Russian Pilgrims in the desert on the way to Sinai

Other new Ohio Art toys include the Walker Family Farm

McLain Orthopedic Sanitarium located at 934 Aubert Avenue

located in Belfast

8th century

1890 Article Optical Telegraphy Vintage Projecting Lantern Lamp Colonel MAB1 XENA2 This is an original 1925This 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