| 1. | Their arc of fire, although big on paper, was in reality limited.
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| 2. | The location of the forts would enable interlocking arcs of fire from their guns.
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| 3. | The arc of fire of the guns was 300? or 150?in each direction.
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| 4. | It had 16 mounted guns with an arc of fire of nearly 180 degrees.
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| 5. | At one stage, the entire Melbourne metropolitan area was encircled by an arc of fire.
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| 6. | Their elevation limits were-10?to + 35?and they had a 270?arc of fire.
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| 7. | Each gun had an arc of fire of 130?
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| 8. | Troops were positioned on the bridge giving an excellent arc of fire in case of attack.
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| 9. | The corner turrets had an 150?arc of fire and the center turrets could cover 180?
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| 10. | However, this ability was still significantly limited as the superstructure restricted each turret's arc of fire.
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