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Illuminating engineering practice lectures on illuminating engineering delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916
- "Illuminating engineering practice; lectures on illuminating engineering delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916"
- "Illuminating engineering practice lectures on illuminating engineering delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916"@en