Emerson, William, 1701-1782 · London : Printed for J. Nourse · leaf 194
rom D to N, gives the center of GL. For the <: NGD will then be equal to AGL,by Cor. 2. Prop. IV. and therefore GLH is rightlyprojefted. Cor. 3. And for the fame reafon, if N be the cen-ter of the circle G^HR ; the centers of all circles paff-ing thro* g and R, will be in the line r^s… … 11/?. i^.
Mechanical engineering
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