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Category: Sphygmomanometer
Estimated Date: 1920
Name: Sphygmomanometer, Martins
Manufacturer: S. Maw, Son and Sons

Description: 16“x 6“x 2.5” cloth covered box contains a leather covered cuff, 13“x 5” and a bulb pump. The sphygmomanometer is of the modified U type and locks into the base of the box. It is 14.25” long with the U 7”. Calibrated to 290 mmHg above the U. The calibration resembles a glass contact thermometer. Bulbous reservoir at top has a pin like projection to prevent spillage.

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