Incandescent Electric Lamp Experiment

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Mr. de Changy performs an experiment of his incandescent electric lamp before a chief engineer of Belgian mines.

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Two bare-chested miners swing their pickaxes, hacking away at the mine wall, while a man in a suit gestures toward the glow lamp illuminating the scene, demonstrating its efficacy to another man wearing a cap and a monocle.

The caption reads in the original French: M. de Changy met en expérience, devant l'ingénieur en chef des mines de Belgique, sa lampe électrique à incandescence.

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