66 2559 Medical instruments Mercurius
66/2559 [Medical instruments]. Mercurius. Sphygmomanometer. Case w. sphygmomanometer, n.pl. (Germany), mid 20th cent., orig. bakelite case w. manufacturer's ticket embossed in upper left corner of inside upper lid "Sphygmomanometer. Mercurius. Germany" and w. a printed ticket "H.J. Tackenberg (...)" on outside of case, 35x11x6 cm.

= In very good condition. The Sphygmomanometer measures the blood pressure by affecting the height of a column of mercury. Manual sphygmomanometer like these are considered as the "gold standard" because of their accuracy. HAKO. Oscillometer 559. Sphygmomanometer, n.pl. (Germany), early 20th cent., orig. fitted velvet-lined case, 17,5x22x9 cm.

- Glass plate in oscillometer w. 1 scratch. Case sl. rubbed.

€ (50-70)