OVHS Speaker’s Series: Heliograph - Frontier Arizona’s Communication by Sunlight

Sep 23 10:30 AM – 11:30 AM

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Oro Valley Public Library 1305 W. Naranja Dr. Oro Valley, AZ 85737

Overview

During the 1880s in Arizona, United States Army soldiers used high-quality sunlight reflecting heliographs for communication throughout the state.

Join OVHS as retired CIA Intelligence Analyst, Lee Krsiean, explains how this technique kept soldiers and settlers safe.

This free presentation is sponsored by the Oro Valley Historical Society. Donations to OVHS are appreciated and directly support our mission.

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