Pressure Cooker (Fallout 3)

 is a junk item in Fallout 3 found mostly in kitchens.

Uses
This item is used in the construction of the Railway Rifle. It may be used as ammo for a Rock-It Launcher as well.

Locations
is located throughout the Capital Wasteland, The Pitt, Point Lookout and Adams Air Force Base.

One is located on the stove next to where you rescue Shorty in the Germantown Police HQ.

Seagrave Holmes in Rivet City Marketplace sells one for 20 caps