Smoke alarm described is claimed to be only automatic instrument at present available which can be reliably operated either optically or acoustically. (see also brief translated abstract in Mar. Engr. and Motorship Bldr., vol. 54, no. 644, May 1931, p. 197)
Buchholz automatic smoke alarm
Selbsstaetige Rauchmeldeanlage nach dem BuchholzSystem
Werft-Reederei-Hafen ; 12 , n 8
1931
2 pages
6 Figs.
Article (Journal)
German
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GWLB - Gottfried Wilhelm Leibniz Bibliothek | Jg. 1, Nr. 1; Bis 1983, Ausg. 30.
Kurzzeitmessungen von Stroemen im Unterwerk Buchholz
Tema Archive | 1978
|Kochrezepte aus Hannover-Klein-Buchholz
GWLB - Gottfried Wilhelm Leibniz Bibliothek | 2003
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