The rod C, that dips a little into the water, will attract the rod EF (floated by the cork H; the wetted end F sticks out of the water), provided that C is wetted a little above the water surface. [ZB Magnet 2] William Gilbert, De Magnete (London: Petrus Short, 1600), Zentralbibliothek Zürich, Alte Drucke und Rara, XVI.28, p. 57.

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Barbara Ellmerer

Wrought iron, not magnetized by the loadstone attracts iron. A is cork holding an iron wire reaching a little out of the water; C refers to the end of the second wire, which pulls B. [ZB Magnet 2] William Gilbert, De Magnete (London: Petrus Short, 1600), Zentralbibliothek Zürich, Alte Drucke und Rara, XVI.28, p. 29.
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Judith Albert

Judith Albert