首页 / 官方藏书 / Moxon's mechanick exercises, volume 1 (of 2) / ¶. 1. The Worms for Printing-Press Spindles must be projected with such a declivity, as that they may come down at an assigned progress of the Bar.

¶. 1. The Worms for Printing-Press Spindles must be projected with such a declivity, as that they may come down at an assigned progress of the Bar.