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On picking up the latter, which lay with its top down the hill, a large bubble of air appeared, which I passed up and down the tube, and then allowed to escape; when I heard a rattling of broken glass in the cistern. On my return to Dorjiling in December, I took it to pieces, and found the lower part of the bulb of the attached thermometer broken off, and floating on the mercury.
Roger took out a tiny pocket flash lamp, and, placing one finger over the bulb so that no rays would escape, held the dim glow over his wrist-watch. "Quarter to four," he announced. "Fifteen minutes more," sighed Dal. "They'll seem like fifteen years, though, Bob," commented Jimmy.
Accordingly, time was less difference between the largest and the middle sized than between the latter and the smallest bulb. An interesting observation was made in this experiment.
The others followed his example, and found that he had good cause for his surprise; the long, smooth trunks, without any leaves, ended in a kind of ball, while at the roots a kind of enormous bulb appeared. "Whatever can they be?" cried Marjorie, in amazement. "Onions!" was the reply, spoken by a strange voice.
And as the lips of Van Baerle approached the grating with the same ardor as the day before, and as, moreover, the hour for retiring had struck, Rosa drew back her head, and stretched out her hand. In this pretty little hand, of which the coquettish damsel was particularly proud, was the bulb. Cornelius kissed most tenderly the tips of her fingers.
'Upon the side of the valve is an inverted syphon, with a bulb at one end, the other being open; the lower part of the tube contains mercury; the bulb, atmospheric air. An increase of temperature expands the air in the bulb, drives the mercury down one side and up the other, thereby destroying the balance, and causing the valve to open by turning on its axis.
G. Quartinanus is a very late bloomer and may produce varieties extremely useful for mild climates where the seasons are sufficiently long to form bulb development. G. Eckloni is a rare species with small whitish blooms, minutely dotted with black purple. The hybrids have mostly purple or red ground colors flecked with darker shades.
This air enters the lime-water bubble by bubble. After this the tube is removed from the water, and the bulb is allowed to fill with air, and the same maneuver is again gone through with. This is repeated until the figures 1882, looked at from above, cease to be clearly visible, and disappear entirely after the contents of the tube have been vigorously shaken.
It consists of two thermometers side by side, one of which has its bulb surrounded by floss-silk wrapping, which is kept constantly wet by communication with a cup of water near it. The water around the bulb evaporates just in proportion to the heat of the air around it.
There would be some noise, but she mustn't mind; and there was the little apparatus Captain March had invented, by which a passenger could communicate with the conductor. It was something like the bulb you squeeze in a motor car when you want the chauffeur to turn right or left or stop. "Press once if you're sick of it, and want to come down," said Eagle. "Twice if you want to go higher.
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