| 1. | This disengages his hand wheels, and gives elevation control to the Fire Control System.
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| 2. | To find out if you have an older cylinder, check the valve hand wheel.
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| 3. | A large hand wheel is also attached with a pawl gear to prevent back-slipping.
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| 4. | Elevating and transversing hand wheels, and panoramic sight are at the left of the breech.
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| 5. | This disengages his hand wheels, and gives train angle control to the Fire Control System.
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| 6. | The machines came in a number of variants with sliding, hand wheel or keyboard selected letters.
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| 7. | The lubricators were also fitted with a priming hand wheel on the outer face of the lubricator.
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| 8. | Later investigation of the recovered wreckage suggested instead that the rear right-hand wheel had failed, overturning Babs.
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| 9. | He changes the bearing of the gun, by moving his hand wheels, until the dial difference is zero.
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| 10. | He changes the elevation of the gun, by moving his hand wheels, until the dial difference is zero.
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