Excerpt from The Edinburgh Encyclop?dia, Vol. 18 of 18
Boyle therefore subsequently proposed to include both the air and the coloured fluid in one bulb as shown at Fig. 2, where the tube AB which is open at top, reaches below the surface of the Это и многое другое вы найдете в книге The Edinburgh Encyclop?dia, Vol. 18 of 18 (Classic Reprint) (David Brewster)