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"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
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| Number | Title | Issue Date |
| 7213716 | Crane The within invention concerns a crane with a superstructure that rotates on a vertical axle, a boom coupled to the superstructure in such manner as to luff on a horizontal axle, luffing equipment for luffing the boom, and an operating ballast that counteracts the mo... | 05/08/2007 |
| 4535900 | Transfer apparatus and method A transfer apparatus and method utilizing a boom having complete spatial freedom. The boom is supported by a series of ropes and may be moved in any of three mutually parallel planes so as to transfer material in any desired manner, as by utilizing a conv... | 08/20/1985 |
| 4195740 | Lift crane support system A lift crane in which the upper works is mounted on a platform that rides on a large diameter ring which is fixed to a generally square, planar and rigid frame. The frame is rigidly secured directly to the cross members which interconnect the crawlers of ... | 04/01/1980 |
