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5" Heliograph Identification Guide: India vs. Mance
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Indian Heliograph vs. Mance Mark V Heliograph 0700
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India Heliograph (left) vs. Mance Mark V
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2.25 inch diameter India Heliograph
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Identification of 2.25 inch India Heliograph
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3" and 5" India Heliographs - 1902 Lahore, India
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Indian vs Mance Heliograph 0600
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Indian vs. Mance Heliograph 0400
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Indian vs. Mance Heliograph 1200
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Indian Heliograph Collage
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India Heliograph Diagram 1911
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Parts list for India Heliograph
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India Heliograph and Pith Helmet
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Seaforths Signallers wi Heliograph
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1880 Roorkee Heliograph
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1880 Roorkee Helio Sighting Arm
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Roorkee 4.5" heliograph
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Diagram of Roorkee 3" Heliograph
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Indian vs Mance Mk5 Heliograph side view
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12 inch heliograph
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1894 Signallers with Heliographs
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Two British Heliographs Mesopotania WWI
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1879-1880 Heliographs and Begbie Heliostats
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1917(?) Indian Army Heliograph Mesopotamia Kara Tepe
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Mohmand Expedition of 1908 Visual Signalling Stations MAP
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1917 - Indian Soldier on the Tigris with Heliograph
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Royal Horse Artillery Signal Section wi Heliographs
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Victorian Royal Horse Artillery Signallers with Heliograph - contrast enhanced
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Victorian Royal Horse Artillery Signallers with Heliograph - as scanned
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1918: R.G.A. Signallers in Rangoon with Heliographs