Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 682
FlG. 636. … My: Perforating a Tube. ing it out as shown in Fig. 634, then heating a short lengthof the tube within tapered end and thickening it by pressingupon the ends of the tube. Then another short length isheated and thickened in the same way, and so on untilenough material has been accumulated to form a…
Physics · Lantern projection · Electric apparatus and appliances
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![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-115-7.webp)
