Einthoven string galvanometer
Date: 1924-1935
Inventory Number: 1989-0031a,b
Classification: String Galvanometer
Dimensions:galvanometer: 28.5 × 47.5 × 25 cm (11 1/4 × 18 11/16 × 9 13/16 in.)
accessory: 10 × 23.5 × 7.8 cm (3 15/16 × 9 1/4 × 3 1/16 in.)
Description:
Einthoven string galvanometer with insertable brass center piece containing string suspension and micrometer screw tension adjustment. Two brass binding posts mounted on the front of the center piece function as terminal connections to the string suspension. There are aluminum microscope objectives on either side of the center piece. Large magnet with two coils covered by red leather connected to four brass binding posts. Base has three leveling screws.