Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Notes on experiments during 2 yr, confined to apparatus of suitable weight and bulk for carrying on person, so constructed and powered as to be capable of being made intrinsically safe for use in mines where General Regulations 132 might apply; modification of types of selfcontained breathing apparatus used in Great Britain, to enable wearer to speak intelligibly over his means of communication. Before Midland Inst Min Engrs. (See also - (discussion) p 880-1; Min J (Lond) v 232 n 5922 Feb 19 1949 p 133; Instn Min Engrs -- Trans v 108 pt 5 Feb 1949 p 201-9 (discussion) 210-2)
Notes on experiments during 2 yr, confined to apparatus of suitable weight and bulk for carrying on person, so constructed and powered as to be capable of being made intrinsically safe for use in mines where General Regulations 132 might apply; modification of types of selfcontained breathing apparatus used in Great Britain, to enable wearer to speak intelligibly over his means of communication. Before Midland Inst Min Engrs. (See also - (discussion) p 880-1; Min J (Lond) v 232 n 5922 Feb 19 1949 p 133; Instn Min Engrs -- Trans v 108 pt 5 Feb 1949 p 201-9 (discussion) 210-2)
Communications for mine rescue
Colliery Guardian
Leek, I.G.E. (Autor:in)
Colliery Guardian ; 177
1948
6 pages
Aufsatz (Zeitschrift)
Englisch
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Communications for mine rescue
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