Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Describing particularly the Pneumatophore of Walcher and Gartner, and also the Mayer and Pilar apparatus. The carbonic acid of the breath is absorbed by caustic potash, and a supply of compressed oxygen is carried. (2500 w.)
Describing particularly the Pneumatophore of Walcher and Gartner, and also the Mayer and Pilar apparatus. The carbonic acid of the breath is absorbed by caustic potash, and a supply of compressed oxygen is carried. (2500 w.)
Improved life saving respirators
Les Nouveaux Appareils Respiratoires de Secours
Schmerber II (Autor:in)
1898
Aufsatz (Zeitschrift)
Französisch
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Improved respirators for mining service
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Selecting air-purifying respirators
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Respirators -- Their uses and limitations
Engineering Index Backfile | 1937
Mechanical-filter type of respirators
Engineering Index Backfile | 1939
Breathing easily: dust masks and respirators
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