Thermometers, dynamometers, exploring-tubes, little mirrors that went half-way down to my stomach, tuning-forks, Ophthalmoscopes, percussion-hammers, single and double stethoscopes, speculums, sphygmometers,-such a battery of detective instruments I had never imagined.
"The Complete PG Works of Oliver Wendell Holmes, Sr."
Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)