...enumerated in the words here, underlined, namely : If two equal rings or circular lines in the tame plane, or in planes parallel to each other, be conceived...revolve each upon, its respective centre in its own p/anet with one and the same uniform velocity, and in the same direction with regard to parts of the...

...Mr. Robertson Buchanan, in his " Treatise on propelling vessels by steam," which he thus explains. " If two equal rings or circular lines in the same plane,...to parts of the rings, or lines alike situated, and anv point be taken in one of the lines or rings, and a right line be drawn from that point, parallel...

...Robertson Buchanan, in his " Treatise on propelling Vessels by Steam," which he thus explains : — " If two equal rings or circular lines in the same plane,...alike situated, and any point be taken in one of the lines or rings, and a right line to be drawn from that point, parallel to a line supposed to join the...

...of performing the same, are particularly described and ascertained as follows ; that is to say : In the first place my said invention is established upon...the same direction with regard to parts of the rings of lines alike situated, and any point be taken in one of the rings or lines, and a right line be drawn...

...all, a practical engineer of the first order. His plan was very ingenious, and is thus described : If two equal rings or circular lines in the same plane,...alike situated, and any point be taken in one of the lines or rings, and a right line be drawn from that point, parallel to a line supposed to join the...