A companion to the synopsis of the universe, [electronic resource] : or descriptive guide to the plates exhibiting the northern and southern sideral hemispheres, as forming concaves over the solar system Whose Integral Planets are delineated in their Positions for the 21st day of June 1798, with the Places of their Nodes, the Inclination of their Axis, the Obliquities of their Orbits, &c. exemplified by Delineation, together with a summary account of the comet which appeared in the summer 1797, with the same laid down in its Situation on the 22d of August. By the author of The planispherical planetarium.