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ningsskaalen har en fri Overflade af 100
Kvadratcentimeter, saaledes at en Kubikcentimeter Vand svarer til en
Fordunstningshøjde af 0.1 Millimeter. Stetten er smalere
end i det ældre Apparat og Bøjen er af cylindro-conisk
Form. Fordunstningsskaalen er forholdsvis dybere, og paa
Bunden af den ligger en Rist af tynde paa Højkant
staaende Metalstriber, hvormed Hensigten er at hindre sterkere
Bevægelser af Fordunstningsvandet fra at slynge Vandet
ud over Skaalens Rand. Paa denne Rist ligger det indre
Thermometer. Fordunstningsskaalen og Stetten ere fortin-
The evaporating dish has a free surface measuring 100
square centimetres, so that 1 cubic centimetre corresponds
in height to 0.1 millimetre of evaporated water. The stem
is narrower than that of the former apparatus, and the
buoy cylindro-conical in form. The evaporating dish is
relatively deeper, and has at the bottom a grating of thin
metallic strips, the object of which is to prevent the water from
being splashed over the brim of the dish by any sudden
and violent movement. On this grating the inner
thermometer is laid. The evaporating disli and the stem are
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Fig. 13. |
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