The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 360
ust into the Eustachian tube and held there by contact. A large portion of the probe projected. The half head was then held over a straight line marked on a piece of paper in such a manner as that the vertical surface corresponded with the line. The points where the projecting probe covered the… … c d represents the antero-pos- In the cases measured there was no upward di- terior median line of a vertical rectjon ag the probe Stood horizontally. The section of the head. A B is the L ■ . probe marking the direction of writer wishes that observers would measure this the Eustachian tube. The…
Medicine
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