Filmatheque Pathé-Baby (1931)

Record Details:

Title:
Filmatheque Pathé-Baby
Date:
1931
Publisher:
Paris, Pathé-Gazette
Volume:
Filmatheque Pathé-Baby
Leaf #:
00090
Language:
English
Subjects:
Motion Pictures, Film Industry Technical Magazine
Collection:
Global Cinema and French Cinema
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Date Added:
March 21, 2024
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CLASSE IV, VULGARISATION SCIENTIFIQUE 1115. 3. LA CRISTALLISATION. Cristallisation par solidification. — Le soufre fondu, refroidissement. Cristallisation par surfusion. — L'eau en surfusion, fragment de glace projete. Cristallisation par sublimation. — Sublimation de l'iode, les cristaux. Cristallisation par refroidissement. — Cristallisation arborescente du ferrocyanure de potassium : developpement des cristaux. Cristallisation par evaporation. — Formation et developpement des cristaux arborescents du bichromate de potassium. 1116. L'OXYGfcNE. Preparation au laboratoire ; preparation industrielle. Un tube d'oxygene, robinet de degagement, vis micrometrique, detendeur, tube de degagement. Experiences montrant les proprietes de l'oxygene : combustion d'un morceau de bois, du phosphore blanc, des metaux. L'oxygene est indispensable a la vie. 8. L'HYDROGENE, Preparation de l'hydrogene (zinc et acide sulfurique dilue). Observation du phenomene. L'eprouvette contenant le gaz prepare : experiences demontrant la nature de ce gaz (leger et combustible)^ — Melange d'air et d'hydrogene. Gonflement d un aerostat. 1121. COMPOSITION CHIMIQUE DE I/EAU. Hydrogene (2 volumes), oxygene (1 volume). Analyse de l'eau par electrolyse ; le degagement a Tanode et a la cathode. Constatation de la nature des gaz recueillis. Synthese de Teau. Les deux atomes d'hydrogene et I'atome d'oxygene constituent la molecule dean. 90