salvage appraisal

Can someone lend a hand assigning value to the following items:

Boston Gear Inverter Vaiable Frequency Drive
220Vac 3Ph or 1 Ph
Programmable speed/dir control for 1 to 5 hp
1-400 Hz.

Harmonic drive systems servomotors (2)
Hi-T drive
48V, 50 watt with encoders
Harmonic drive gear reducer attached (can be removed) 25:1

Thanks