Artifact Details Title 320SE Calculator keyboard Catalog Number X576.85B Type Physical object Description Object is a small keyboard/display unit with calculator keys and Nixie-tube numeric display. This model (310 K) has some math function keys not present on the model-300 units in this item. Date 1966 Manufacturer Wang Laboratories, Inc. Place Manufactured Tewksbury, Mass., U.S. Identifying Numbers Model number 320K Serial number 202.13 Dimensions 4 1/4 x 10 x 8 in. Category I/O/keyboard Credit Gift of Kirtland Olsen Lot Number X576.85