Jawless hug: Make "friends" with a grunt.
Bag of milky-ways: Get hit by a patrolling grunt in the storage.
View the panorama, he said: Use the working elevator
Using your head: Use Agrippa's head on the jamming-cog puzzle.
One windbag is as good as another: Use the Tonic on Alexander instead of Agrippa.
You should post about it on the forum: Climb through the ceiling of the lantern room.