Examine the window and give the LIQUOR LICENSE to the soldier; take the INN SUPPLIES (K).
Go to the Gearwheel Inn.
Give the INN SUPPLIES to the barmaid (L).
Examine the right side of the bar to trigger a puzzle (M).
Make the drink per the directions.
To solve the puzzle, select the following: C-E, E-D, B-E, E-F, E-D, (F will empty automatically), A-F, F-E, A-F, F-E and F-D.
If you need to empty a vial you can use the drain (G).
Open the mixer compartment (D); take the â€˜STEAM HORSEâ€™ DRINK.
Give the â€˜STEAM HORSEâ€™ DRINK to the soldier; take the HELMET (N).
Go upstairs and enter Room 2.
Place the MILITARY JACKET, SOLDIERâ€™S TROUSERS and HELMET on the dummy; select the uniform (O).
Go to the Zeppelin Landing.