The instrumentation amplifier in this picture is of the OPERATIONAL AMPLIFIER-type. During the past two weeks, there have been close to 8 terminations. This linear amplifier should be powered by an 20V battery. This particular linear amplifier is a type of Operational Amplifier device, to be precise.
LM108H Features
supply voltage of 20V
LM108H Applications
There are a lot of Rochester Electronics LM108H Instrumentational OP Amps applications.