In the Le Bel-Henninger form a series of bulbs are connected consecutively by means of syphon tubes (b) and having platinum gauzes (a) at the constrictions, so that when a certain amount of liquid collects in any one bulb it syphons over into the next lower bulb. [Please select]
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Hills had to be tunnelled through, valleys and rivers crossed by bridges, while syphons were used for passing under small streams and similar obstructions. [Please select]
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At this juncture Marigold came in with the decanters and syphons. [Please select]
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And here are the two bits of gutta-percha tubing to make into syphons. [Please select]
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