from The Century Dictionary and Cyclopedia
- n. A glass tube about 800 millimeters long through which, in a mercury-pump, the mercury falls to create a vacuum.
Sorry, no etymologies found.
Bunsen burner; the tension of the vapor being greatly increased, it passes far down the fall-tube in large bubbles and is condensed.
On the shelf is a tube, 160 mm. high and 20 mm. in diameter, into which the end of the fall-tube dips; its side has
This renders it very probable that the remaining three quarters are due to air given off from the mercury at B, Fig. 4, from that in the bends and at the entrance of the fall-tube, _o_, Fig. 3.
; the bore of this tube is about the same as that of the fall-tube.