1 - The ground floor before 1950.

2 - The ground floor after 1950.

3 - The first floor before 1950.

4 - The first floor after 1950.

5 - The second floor before 1950.

6 - The second floor after 1950.

7 - The ground floor after 1960. This plan is drawn the other way up from the previous plans. I very much regret that I have mislaid the name of the person who kindly sent me this sketch. My apologies - please contact me again.