这两款是，非 Digital Blood Pressure Meters 。。。

https://www.amazon.com/Santamedical-Deluxe-Aneroid-Sphygmomanometer-Carrying/dp/B00ACBKNS6/ref=lp_3777151_1_6_s_it?s=hpc&ie=UTF8&qid=1477343305&sr=1-6

http://www.ebay.com/bhp/mercury-blood-pressure