Subjective noises in the head and ears : their etiology, diagnosis and treatment / by H. Macnaughton-Jones.

  • Macnaughton-Jones, H. (Henry), 1844-1918.
Date:
1891
Catalogue details

Licence: Public Domain Mark

Credit: Subjective noises in the head and ears : their etiology, diagnosis and treatment / by H. Macnaughton-Jones. Source: Wellcome Collection.

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    An aural speculum (a Siegle's speculum will also be of great advantage), A few tuning forks (of different keys). A Politzer's inflator. A few Eustachian catheters. A small bag with tubing attached to fit the catheter. A tongue depressor. A laryngeal reflector. A rhinoscopic and laryngeal mirror. A nasal speculum. Nasal bougies. An aural syringe. Fig, i. Siegle's speculum. Testing the Heaving.—For testing the hearing dis- tance the watch may be used. Few practitioners are likely to have either an acoumeter (Fig. 3), or a Galton's whistle. Therefore the hearing must be tested by the watch. The distance this latter can be heard with a normal ear should be noted, say 100 inches, and the hearing power marked as ^-J^, -j-J^, tXq, and so