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The chu-ko-nu, equipped with a magazine to hold bolts or, as in this case, pellets, was used in China well into the twentieth century

This was done, and in many cases still is done by the main-line railway groups, through the exercise of running powers, which on application to Parliament by the company using them have been granted for the express purpose of affording this access without the necessity for building independent tracks. In other cases, such running powers have been granted without recourse to Parliament, by voluntary agreement between the parties.

[…] I choſe rather to reduce the demonſtrations of the following propoſitions to the firſt and laſt ſums and ratio's of naſcent and evaneſcent quantities, that is, to the limits of thoſe ſums and ratio's; […] Perhaps it may be objected, that there is no ultimate proportion of evaneſcent quantities; becauſe the proportion, before the quantities have vaniſhed, is not the ultimate, and when they are vaniſhed, is none. […] [B]y the ultimate ratio of evaneſcent quantities is to be underſtood the ratio of the quantities, not before they vaniſh, nor afterwards, but with which they vaniſh.