» Rings and forks for surface tension demonstration (0563)

Immagini

Exhibit 563 is a set of devices for demonstrating surface tension: three circles, a fork, and a brass support (not in the photo).

In the photo from left to right:

Metal circle with wood handle and a cotton cord tied along a diameter.
Dimension: Total length: 42 cm; Diameter: 23 cm;
Small circle with metal handle.
On the handle there is a hole and a screw for fixing to a support. Dimensions: Circle Diameter: 10 cm; Total length: 36 cm.
Metal circle with 21 cm diameter and metal handle. On the handle there is a hole and a screw for fixing to a support.
Dimensions: Total length: 38 cm.
Metal U-shaped fork. On the handle there is a hole and a screw for fixing to a support.