"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7021167 | Rotary joint mechanism A rotary joint mechanism for connecting two machine parts to effect relative movement between the two machine parts includes an outer ring adapted to be connected to a rotatable machine part, and an inner ring adapted to be connected to a fixed machine part, with th... | 04/04/2006 |