
According to plans WO 78/3886 these shelters were built in July 1904.
The design was for four specific casemates, one split between the officers, WOs and Sgts and the other three for the Rank and File.
Returns for 1906 show that there were 2 officers and 80 men for Spyglass Battery. This was the largest crew contingent of all the batteries, with O’Hara’s having 2 officers and 35 men.
The Battery Log Book states that the crew shelters were for 3 officers and 36 men with the remainder of the men living in huts on Spy Glass Road.
There was a single telephone, situated in the tunnel, photograph below, which linked to the two PF Cells (Martins VI for East and Devil 1 for West) and the Fortress Command.
DRF Pedestals North and South and a Mark 1 special DRF.

The design was for four specific casemates, one split between the officers, WOs and Sgts and the other three for the Rank and File.
Returns for 1906 show that there were 2 officers and 80 men for Spyglass Battery. This was the largest crew contingent of all the batteries, with O’Hara’s having 2 officers and 35 men.
The Battery Log Book states that the crew shelters were for 3 officers and 36 men with the remainder of the men living in huts on Spy Glass Road.
There was a single telephone, situated in the tunnel, photograph below, which linked to the two PF Cells (Martins VI for East and Devil 1 for West) and the Fortress Command.
DRF Pedestals North and South and a Mark 1 special DRF.
