See also Chapter II: Design Activities: 1927

1: Detail of front facade
2 - 4 : Model water tower
5 - 8: Drawing: view, first floor plan
9 - 12: Drawing: elevation section with view of stairs and section above leakage floor
13 - 16: Drawing: lower view of leakage floor, section above footbridges, section over reservoir
17 - 18: Model water tower

MERKf21-8,-12, -16 and -18: H.J. Groenewegen B. Merkelbach (handwritten on verso)
MERKf21-17: H. Groenewegen B. Merkelbach (handwritten on verso)