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These bolts were driven outside, and obturators wadded with indiarubber corked up the hole that let them through. The exterior plate immediately fell back upon its hinges like a port-hole, and the lenticular glass that covered the hole appeared. An identical light-port had been made in the other side of the projectile, another in the dome, and a fourth in the bottom.
Sercombe mentions a case in which destruction of the entire palate was successfully relieved by mechanical means. In some instances among the lower classes these obturators are simple pieces of wood, so fashioned as to fit into the palatine cleft, and not infrequently the obturator has been swallowed, causing obstruction of the air-passages or occluding the esophagus. Abnormalism of the Uvula.
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