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Category: Sphygmograph
Estimated Date: 1900
Name: Transmission Sphygmograph
Manufacturer: Verdin

Description: 5.5”“ x 3” x 3” brown cardboard box with words “ Sphygmographe a transmission de verdin “ on cover. Brass device is 4.5” long with 2 1/8” tambour with side arm of nickle plated metal 0.75” to connect to rubber tubing. The side bars to hold to wrist with ribbon are also nickle. The bottom of the device is like the Marey sensor part with an ivory or bone tip to place on the artery.

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