Telephone poles and lines scattered across a country side in United States. The New York-Chicago telephone cable is joined at a celebration. Employees work at the long distance headquarters in New York.
Telephone lines over a bridge on a river in United States. Men lay telephones lines over a sea bed. Diver enters the water to lay under water telephone cables.
A 100 mile submarine telephone cable laid between Havana and Key West off the Cuban shore.
Telephone wires manufactured at a factory in United States. Coating of lead is applied over the wires. Wire reels are handled in factory. Employees work on a telephone switchboard in New York City.
Gas alarm during World War 1. Scene is an elaborate deep trench in France, lined with woven tree branches. American sentry sounds gas alarm while donning gas mask and lowering door on a gas-proof dugout. Soldiers in unprotected dugout come out wearing their gas masks. Gas drifts over the area as troops continue their evacuation. (WWI. WW1)
United States Army soldiers fire from a trench dug out in France. They put on protective mask and fire. Snow covered field. A soldier affected by gas comes out of the dug out. Another soldier puts a protective mask over his face. Soldiers help the affected soldier. Stretcher bearers carry gassed man into gas proof dug outs in France. Soldiers clear the trench with Ayrton fans in France. Soldiers fire from the trench in France. They remove the masks from their faces. After testing they put on the masks again. They clean their rifles.
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