FR424266A - Appareil destiné à indiquer à l'aide d'un ballon captif ou d'un cerf-volant la limite supérieure de brouillards ou de nuages
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Appareil destiné à indiquer à l'aide d'un ballon captif ou d'un cerf-volant la limite supérieure de brouillards ou de nuages
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FIRME S SAUL
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FIRME S SAUL
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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N19/00—Investigating materials by mechanical methods
G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers
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Physics & Mathematics
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Health & Medical Sciences
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Life Sciences & Earth Sciences
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Chemical & Material Sciences
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Analytical Chemistry
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Biochemistry
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General Health & Medical Sciences
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General Physics & Mathematics
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Immunology
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Pathology
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FR424266D1909-12-131910-12-12Appareil destiné à indiquer à l'aide d'un ballon captif ou d'un cerf-volant la limite supérieure de brouillards ou de nuages
ExpiredFR424266A
(fr)