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Title: Lesage experimenting with the first electric telegraph, Geneva, 1774 (1876). Artist: Unknown
Caption: Lesage experimenting with the first electric telegraph, Geneva, 1774 (1876). George Louis Lesage (1724-1803), Swiss scientist, devised an early form of electric telegraph. It had a separate wire for each letter of the alphabet and a range limited to the distance between two rooms in Lesage's home. FromLes Grandes Inventions (The Great Inventions) by Louis Figuier. (Paris, 1876).
Technique/material: WOOD ENGRAVING
Credit: Album / Ann Ronan Picture Library/Heritage-Images
Image size: 5409 × 3230 px | 50.0 MB
Print size: 45.8 × 27.3 cm | 2129.5 × 1271.7 in (300 dpi)