Possible Clues:

• Echo stops lively chat with barmen in small room
• Been at march, lively? Wait here perhaps
• There cabman shakes in waiting room
• Small room in an old college with light at the end
• Small entrance room
• Waiting area
• Replacing neat gun compartment in this room?
• Cabman there somehow found a little room outside another
• Lobby one college with sign of caution
• Small room leading to a main one