Summarised from report:

Expense magazine no 1 is one of the two original magazines which were constructed at the Drop Battery shortly after 1853, located beneath the rampart, to the rear of the gun floor on its north eastern side. It fell out of use, along with the rest of the battery, in 1886 when the battery was disarmed. It is approached along a branch passage from the north-west wall of the magazine passage of ‘G’ magazine. The end of the branch passage contains a narrow doorway, formerly closed by twin wooden doors, leading into a lobby which may be the original entrance passage. It runs perpendicular to the branch passage. The lobby is half-vaulted, with the lower part of the vault on the south-east wall, while the north-west wall is rendered. Towards its north-west end is the flat-headed doorway to the magazine. This comprises two tiny chambers. The first is only 1.43m by 0.72m, closed originally by inward-opening doors, the second 1.43m by 1.57m, rebated for an outward-opening door capped by a shallow segmental arched head seg head. Like expense magazine no 2, the end wall of the second chamber has three pairs of missing headers forming sockets for timber racking. (1)

<1> RCHME, 2001, The Western Heights, Dover, Kent. Report No 10: Miscellaneous Structures 1850-1945 (Unpublished document). SKE17506.