The Child's Book of Nature for the Use of Families and Schools Intended to Aid Mothers and Teachers in Training Children in the Observation of Nature. Revised Edition. Part 3: Air, Water, Heat, Light, etc. (1886)
Hooker, Worthington · Harper & Brothers · leaf 37
SSURE OF THE AIR. Experiments showing the pressure of the air. easily ; and, as it is easier to walk with the wind than against it, so it is easier, in a running stream, to wade down stream than up against the current. Air, though very light, can be weighed. A large glass globe, full of air, put on… … all about the vessel, the water in the tube would come down into the vessel, because there would be nothing there to hold it up. There is another way in which the water in the tube can be made to run down into the vessel. Let a little hole be made in the top of the tube, and the air will go into…
![An illustration from Geberis philosophi perspicacissimi, summa perfectionis magisterii in sua natura ex Bibliothecae Vaticanae exemplari undecunq[ue] : emendatissimo nuper edita, cum quorundam capituloru[m], vasorum, & fornacum, in uolumine aliàs mendosissimè impresso omissorum : libriq[ue] inuestigationis magisterij & testamenti eiusdem Geberis, ac Aurei triu[m] uerborum libelli et Auicennae summi medici & acutissimi philosophi mineralium additio[n]e castigatissima (1542)](https://img.insideoutlibrary.com/img/200/ia-geberisphilosoph00gebe-117-9.webp)
