Gravitation.
eal _ S¥E.5145-34 Kircher, A., 1601-1680, Athanasii Kircheri . .. (Continued.) Contents. —1. De natura & facultatibus magnetis. 2. Magnes applicatvs,
quo varius huius lapidis vsus declaratur. 3. Mvndvs sive catena mag- netica,
Book 3 includes “Confutatio argumentorum Keppleri ... [et] ... sen- tentiae de terrae motu Gilberti.”
 
This card was printed at the Beston Public Library, Ja:iuary 3, "924.
M7780