| 41. | The Willison coupler was patented by John Willison from Derby, England.
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| 42. | :: See which has some discussion of railroad couplers.
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| 43. | All RM 2 trams had couplers for towing two-axle trailers.
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| 44. | These were swapped for the full automatic couplers between 1933 and 1936.
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| 45. | Bus coupler configurations are available as non-terminated or internally terminated.
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| 46. | Breaking of coupler, failure of vacuum etc . were common problem.
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| 47. | Such devices include impedance matching components, directional couplers, and diplexers.
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| 48. | They were the inventor of the Bradley Carriage Shaft Coupler.
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| 49. | This is not so far from the limit using standard European couplers.
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| 50. | The photos were taken as the vehicle was detached from the coupler.
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