Title
ECHO-IV module
Catalog Number
102681444
Type
Physical object
Description
The circuit board has 5 green modules. Printed on front of circuit board is: "NOV 15 1960" and "DEC 1960". The date hand written on the edge of circuit board is: "11/16/71".
Date
1966
Manufacturer
Sutherland, James F.
Identifying Numbers
Other number
111P007H01
Etched on both sides of circuit board
Other number
GH 217A125G01
Etched on rear of circuit board
Other number
GHH
Stamped into handle
Other number
GHH 217A170G01H
Etched on rear of circuit board
Other number
S614C040G03 NOR
Molded on top of green component
Other number
TEST M-20 #13
Stamped on back of circuit board
Dimensions
overall: 5 1/2 in x 9 in x 1 in
Category
Component/module
Credit
Gift of James F. Sutherland