Title
ECHO-IV module
Catalog Number
102681445
Type
Physical object
Description
There are 16 green modules on the board. Date printed on front of circuit board is "DEC 21 60." Date hand written on edge of circuit board is "10/11/69."
Date
1966
Manufacturer
Sutherland, James F.
Identifying Numbers
Other number
146P250H01
Etched on both sides of circuit board
Other number
427A947G01
Etched on rear of circuit board
Other number
S6140040G03 NOR
Molded on top of green component
Other number
TESTED M20 No. 6
Stamped on back of circuit board
Other number
XKA
Stamped into handle
Dimensions
overall: 5 1/2 in x 9 in x 1 in
Category
Component/module
Credit
Gift of James F. Sutherland