A Fine Pair # 1640 ~ Epping Multi-Cache

Number 1640 in a series of caches where a red telephone box is in close proximity to a post box.
The only rules are that they have to be able to be photographed together, be not more than 100’ apart and the phone boxes have to be red.

The Co-ordinates

The cache is not at the published co-ordinates, you will need to find the answers to the following questions to solve the co-ordinates and find the cache.

• The hour of the last collection Monday to Friday A 
• The hour of the later collection from the post box at Harlow Delivery Office B 
• The minutes of the later collection from the post box at Harlow Delivery Office  CD 
• The second from last digit in the phone number E 

N 51° E(A-E).(B+C)(A+E)(C+E)' E 0° DB.AEC'