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Found 218 works matching this query
Electric gas lighting
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Woodward's patent improved gas carbonizer & purifier
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On the construction of oil and coal gas burners, and the circumstances that influence the light emitted by the gases during their combustion
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Gas-mantle lighting conditions in ten large cities in the United States
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Influence of quality of gas and other factors on the efficiency of gas-mantle lamps
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...Philippe Lebon, inventeur du gaz declairage
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Der wirtschaftliche aufbau des gastarifs .
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Histoire de l'éclairage à Strasbourg depuis son origine jusqu'a nos jours
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Das Gasglühlicht und die Herstellung der Glühstrümpfe
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Gas for the illumination of lighthouses ; parliamentary papers
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