Torpedo Director Pattern 1193
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The Torpedo Director Pattern 1193 was a British torpedo director used in early torpedo craft featuring a 60 degree arc.
It was created sufficiently early that it was no longer used in any modern ships as of 1912.[1]
If a Pattern 1193a existed, it was similar, but made stronger in its pivots and sighting bar.[2]
In 1903, they were enhanced by addition of a graduated sight bar which could help a user determine whether he was within range of his torpedo, but which required mathematical computation to determine the extreme firing range.[3]
It was sometimes called the "Right Ahead" director.[4]
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