Eastman Plate Tank Model 3 for Photographic Processing, by Eastman Kodak Co., Rochester

Tall, thin rectangular metal tank with lift-off lid that can be secured with two hooks. The tank contains a rack for developing plates and a hook on a shaft with a ring handle, for ease of lifting out. A wooden photographic plate is also present. Contained in a cardboard box with an all-round-the-box sliding lid.