Plotting rooms were sometimes made of concrete and buried below ground ( for protection ) or were located in the reinforced concrete casemates of Coast Artillery batteries.
32.
In July 1938, he reported aboard the battleship " Maryland ", serving as turret officer for the first year, then as fire control and plotting room officer.
33.
The living quarters for the approximately 240 officers and enlisted men along with the power generators, plotting rooms and ammunition magazines were located deep inside the fort.
34.
Information from the Chain Home sites and observation posts were transmitted via underground telephone lines to a central plotting room for probable raid analysis and warning notification.
35.
In 1943, the Battery was extensively modified both internally and externally for two M1900 six inch pedestal mounted guns, two shell hoists and a modern and expanded Plotting Room.
36.
This information was then called in by telephone to a fire control center or plotting room for the gun battery that had been selected to fire upon the designated target.
37.
In 1943 building began on a complex of underground tunnels and rooms, included shell stores, magazines, pump chamber and power house, plotting room and command post, and battery observation posts.
38.
Hardly a mountain, more a small hill, the site included four concrete ammunition bunkers, four 3.7 " guns of the latest design, and an underground command post and plotting room.
39.
The major components of a GFCS are a manned director, with or replaced by radar or television camera, a computer, stabilizing device or gyro, and equipment in a plotting room
40.
In 1999, physical remains of the Mount St John site comprised four ammunition magazines, four gun positions and a semi-underground command post / plotting room, all constructed from reinforced concrete.
