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/ ekman e-ö -- ekström a-l / 00332
- OCR-text (abbyy)
Ekman, V/agn/jValfrid On a new current-meter invented by prof. Fridtjof Nansen. 8:o u.o.o.å. (Separataftryk af "Nyt Magazin f. Naturvi- denskab'. B.39.H.2. Kr.ania 1901)
- OCR-text (abbyy-crop)
Ekman, V/agn/ Walfrid On a new current-meter invented by prof. Fridtjof Nansen. 8:o u.o.o.å. (Separataf tryk af "Nyt Magazin f. Naturvi- denskab*. B.39.H.2. Kr.ania 1901.)
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