ence of the said letters patent, into this country, the requisite machinery for the purpose be- the mercury entering B C closes the and the proviso therein contained, I, the said Conradus ing now en route from Europe. lower end of the tube, D, and ex- Schwiers, do hereby declare my said new… … ing principle, or perpetual motion, is made and performed in could measure the distance between two objects on this globe keep the pail from being manner following, that is to say: without actual measurement, simply by watching the angles soiled on the bottom by “Two stiles or uprights marked in…
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