This is story relevant and can't be missed.
*** Spoiler - click to reveal ***
In the past have Hoagie find the cheap wine in Bejamin Franklin's room. It's in the first floor, the room with the kite blueprints on the wall. The wine is on a stool near the door.
Give the wine to Thomas Jefferson for his time capsule.
After Laverne got her costume through
have her go upstairs past the grandfather clock.
In the first room is the time capsule. Flush the can opener to Laverne and have her open the time capsule with it and get the vinegar out.