Due to their large size and weight, in the World War II era the computers were located in plotting rooms deep in the ship, below the armored deck on armored ships.
42.
These observations were communicated to personnel in battery plotting rooms, who used a mechanical device called a plotting board to indicate the target's observed location on a map of the area.
43.
The tree-covered hillock between the Stone House and the twin fire control towers is the earthen-covered plotting room for Battery Murphy, which is entered from the rear, off of Swallow Cave Rd.
44.
At Wanstone Farm Battery, ancillary buildings such as the plotting room and the guard house are visible, although overgrown and the sergeants'mess has reverted to its original use as a farm house.
45.
These connected the gun pits with each other and with their ammunition stores, a plotting room, an engine room providing electricity, as well as with storerooms and barrack ( located aboveground ).
46.
This would then be sufficient for the plotting room to " connect the dots " with a projected course line ( the black line in Figure 1 ) and estimate the target's speed.
47.
At the sound of the bell, a second soldier would read the azimuth ( at which the instrument was pointed ) off a scale on the instrument and telephone this reading to the plotting room.
48.
ARADCOM initially set up a coordination system not unlike the Royal Air Force's plotting room from the Battle of Britain, with commands from a central manual plotting room being sent to batteries over telephone lines.
49.
As shown in Figure 2, all of these data were fed back to the plotting rooms on a finely tuned schedule controlled by a system of time interval bells that rang throughout each harbor defense system.
50.
Electrical firing was the preferred method because the firing circuit could be energized by firing keys down in the plotting room when firing salvos at surface targets, or up in the director when firing at air targets.
