[Fig. 989.] is a front view, where, as in the former figure, the two working lines are shown.
[Fig. 990.] is a cross section of a part of the machine, to illustrate the construction and play of the working parts; [figs. 996], [997.] are other views of [fig. 990.]
[Fig. 991.] shows a single part of the machine, by which the bobbins are made to revolve.
[Figs. 992.] and [993.] show a different mode of giving the traverse to the guide bars, than that represented in [fig. 990.]