BENEFIT: Perception increases by 1 permanently.
WHEN: Any time after you clear the Museum of Freedom of Raiders.
WHERE: In the room where the Minutemen settlers are holed up. The bobblehead is on a desk next to Jun Long.
BENEFIT: Fusion cores permanently last 10% longer.
WHEN: When you reach the Corvega Assembly Plant at the south side of Lexington.
WHERE: At the top catwalk of the Corvega Assembly Plant exterior. Take the various stairs and catwalks up and around the plant exterior (the entire path is on the outside of the plant). Be mindful of the Raiders along your path.