Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 484
456 THE ILLUMINATING ENGINEER. days were selected on wliich thebarometric pressures were widely dif-ferent. Three lamps, each equippedwith a Kosmos burner, were used, andtwo varieties of petroleum adopted,which gave the analysis indicatedbelow. All tests were carried outwith these same lamps,…
Lighting
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