The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 288
Fig. 2, the instrument with the apex partially expanded, which is ac- complished by placing the index finger and thumb of the left hand in the Fig. 2. depressions A and B merely to steady the instrument, while the lever 0 is rotated by seizing the button at its extremity, and turning from left to… … To make examination of the uterus, the instrument is expanded antero- posteriorly, while to examine for fistula it is expanded laterally ; to ex- amine the vagina generally, it may be expanded in any way, and rotated. To introduce the speculum, it should be held between the thumb and index finger…
Medicine
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