Gravitation.
Kircher, Athanasius, 1601-1680. ¥**#E5145.34 Athanasii Kircheri . . . Magnes siue de arte magnetica, opvs tri- partitvm, quo praeterqvam qvod vniversa magnetis natura, eiusque in omnibus artibus & scientijs vsus noua methodo ex- plicatur ... [et] multa... incognita naturae arcana per physica, medica, chymica & mathematica omnis generis experi- menta recluduntur. —  Romae, ex typographia Ludouici Grignani. MDCXLI. 3 vols. — int. Illus. Plates. Diagrams. Music. 22cm., in 8s, (Continued on the next card.]
This card was printed at the Boston ie Public Library, January 3, 1924.
M7780 — Magnetism. — Compass. — Gravitation. — Kepier, Johann, 1571- 1630. —- Gilbert, William, 1540-1603.