单词 | pedimechan |
释义 | † pedimechann. Obsolete. rare. A kind of velocipede in which the forward pressure of the foot on a treadle rotated a fusee, whose motion was communicated to the wheel by a ratchet, and a spiral spring returned the fusee and treadle to their original positions. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > vehicle propelled by feet > [noun] > cycle > bicycle > early type of pedimechan1844 velocipede1850 boneshaker1874 spider1874 1844 Mechanics' Mag. 41 369 Hankins's Pedimechan or Spring Propeller. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2020). < n.1844 |
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