Estimated Date: 1920
Manufacturer: Tagliabue S
Description: Very unusual device. Wooden box 9×4×3”. Manometer is mounted on lid. A U-tube serves as the reservoir and a smaller tube 6” mounted on a swivel lifts up to extend the pressure range to 290 mm. An ivorine zero scale on the side also indicates negative pressure readings. The cuff is the standard cloth. Pump missing.