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Espandi
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Teele Ray P
ID: 1394667

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Development of a laboratory test for evaluation of the effectiveness of smoke signals
Espandi opera
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Improvement of navigational lights
Espandi opera
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Interlaboratory intercomparisons of 100-watt gas-filled tungsten-filament lamps
Espandi opera
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Luminosity filter and thermopile for a physical photometer
Espandi opera
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Report on the luminous flux of four lamps for the National Physical Laboratory
Espandi opera
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Report on the luminous intensity of 8 lamps and the luminous flux of 8 lamps for intercomparisons to be carried out at Bureau International des Poids et Measures
Espandi opera
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