Nova demonstratio immobilitatis terrae petita ex virtvte magnetica : et quaedam alia ad effectus & leges magneticas, vsumque longitudinum & vniuersam geographiam spectantia, de nouo inuenta
A Latin treatise of 1645 by the Jesuit Jacques Grandami, printed at La Flèche, arguing the earth's immobility from terrestrial magnetism and treating compasses, longitude and geography for scholarly readers. Numbered copperplate figures show winged putti suspending magnetized needles, floating lodestones in basins of water and manipulating globes on stands, signed by Rousseuille; woodcut foliate initials accompany them.
