| 1. | In this respect the Drift Sight was similar to earlier bombsight designs.
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| 2. | One is an adaptation of the method used with the Drift Sight.
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| 3. | I Drift Sight mounted on the side of an Airco DH . 4.
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| 4. | This new Drift Sight included a simple system that greatly eased the measurement of the wind.
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| 5. | However, the Drift Sight was still useful only for bomb runs along the wind line.
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| 6. | The O / 400s could carry new bombs, which were aimed with the Drift Sight Mk 1A bombsight.
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| 7. | In 1916 he introduced the Drift Sight, which added a simple system for directly measuring the wind speed.
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| 8. | This mounting system was common among early British bombsights, notably the Equal Distance Sight that led to the Drift Sight.
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| 9. | The Drift Sight was quickly introduced into RNAS service and quickly thereafter by the Royal Flying Corps ( RFC ) as well.
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| 10. | The Drift Sight was mounted to the side of the aircraft using two brackets at the front and back of the sights.
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