Stepper Relay Module
Inventory NumberWJ0989
ClassificationOperant Conditioning Module
Subject
Dimensions7.6 x 17.6 x 9.7 cm, 2.2 lb. (3 x 6 15/16 x 3 13/16 in., 1 kg)
Description4 Green pieces on back
Inscribedin orance on front, top: OK 166 PM
stamped on back on 1 grey rectangular piece, in orange, in triangle: 35
stamped on back on 1 grey rectangular piece, in black: 607 / (in circle - 25 / P )
stamped on back on 1 grey rectangular piece, in black: 617 / (in circle - 11 / P )
stamped on back on top of 2 grey rectangular pieces, in black: WSC-12 / D / A-10
stamped on back on side of 1 grey rectangular piece, in black: TYPE-5724-127HPX / PRICE ELEC. CORP. / Fredrick, Md. USA / C-7708578-1
Curatorial Remarksweight approximate "OK 1/66 pm" written on it
Date: circa 1955
Accessories: WJ0978 is the other part of Skinner Exhibit #10.
Object number: WJ1010
