Pachon's Aneroid Sphygmanometer
- Sold for:
Pachon's Aneroid Sphygmanometer, No. 664, with 6-inch dia. nickel-plated aneroid drum casing, two engraved scales for measuring systolic and diastolic pressure, pump for use with blood pressure cuff (missing), fitted leather case and instruction label.
Literature: Wilbur, Antique Medical Instruments, p. 35.