The Heliograph

Supplement, heliograph.jpg

Dublin Core

Title

The Heliograph

Description

Turkish troops use a heliograph at Huj, near Aza City, in 1917. A heliograph is a wireless solar telegraph that signals by flashes of sunlight usually using Morse code, reflected by a mirror.

Creator

Unknown

Date

1917

Contributor

James Friedrich

Rights

No known restrictions on publication.

Format

jpeg

Language

English

Type

Still Image

Citation

Unknown, “The Heliograph,” Digital Histories, accessed December 22, 2024, https://digitalhistories.kennesaw.edu/items/show/148.