New Hampshire Public Radio:
Smith Hydroelectric Plant in Berlin
New Hampshire Public Radio:
Androscoggin River
New Hampshire Public Radio:
Hydro Dam
New Hampshire Public Radio:
Hydro Power Pipes
New Hampshire Public Radio:
Hydro Power Generator
New Hampshire Public Radio:
Hydro Power Generator
New Hampshire Public Radio:
Hydro Power Generator
New Hampshire Public Radio:
Managing a Hydro Plant
New Hampshire Public Radio:
Hydro Plant Equipment