This is the bonus cache for the Windlesham Wander Ad Lab. You will need to complete the Ad Lab and obtain values for letters A to E. Instructions on how to determine those values are contained within the completion message at each of the five locations.
The cache can be found at:-
N51 22.(A-C)B(E-C-D) W000 39.(D+E)D(E-B)
Wooden pavilion, and newer brick built replacement Windlesham Cottage Hospital late 1960's
Windlesham Working Men's Club and Institute Thatched Cottage, late 1940's early 20th century
Our thanks to the curator of Surrey Heath Museum for permission to use the historic photographs displayed above, and within the Ad Lab.