Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Electric hotbeds
Small electric hotbed, using single 100-watt element as means of furnishing heat; construction of electric hotbed; cost of electricity for this purpose was about 3 cents per kw.-hr.; cost of power for electric hotbed, based on 7 weeks trial was $1.89.
Electric hotbeds
Small electric hotbed, using single 100-watt element as means of furnishing heat; construction of electric hotbed; cost of electricity for this purpose was about 3 cents per kw.-hr.; cost of power for electric hotbed, based on 7 weeks trial was $1.89.
Electric hotbeds
Stone Webster Jl
Garver, H.L. (Autor:in) / Vincent, C.L. (Autor:in)
1928
10 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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