Print 8:
Very difficult to remove without risk of damage,
One can notice the Delay Line memory (the metal case on the back of the print)
and a 1000kHz Crystal (upper left).

From Left to right the following TEXAS INSTRUMENTS IC's:
Row 1: SN3925, SN4553, SN3925, SN3925, SN3925, SN3925, SN3925
Row 2: SN4555, SN4555, SN3925, SN4554, SN3931, SN3925
Row 3: SN4554, SN3925, SN4554, SN3925, SN3925