ECHO IV module
Sutherland, James F.
||Etched on both sides of circuit board
||Etched on rear of circuit board
||Stamped into handle
||Molded on top of green component
||TESTED M20 NO. 8
||Stamped on rear of circuit board
overall: 5 1/2 in x 9 in x 1 in
Object is populated with 10 green component modules. Dates "APR 1961" and "DEC 4 '59" stamped on front. Hand written on metal edge is "5P 10/27/71".
Gift of James F. Sutherland