Philosophical transactions, Vol. L. Part II. For the year 1758. / Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.

by Various; Royal Society

Errata

p. [497]

Also (2a)²: vv∷ a: vv ⁄ 4a

should be

Also (2a)²: vv∷ a: (25b ⁄ 21c)² × vv ⁄ 4a

p. [542]

sin. AC + AM ⁄ 2 × sin. AC - AM ⁄ 2 = ((b + d) × (b - d) =) (sin. ½ AC + sin. ½ AM) × (sin. ½ AC - sin. ½ AM).

should be

sin. AC + AM ⁄ 2 × sin. AC - AM ⁄ 2 = ((b + d) × (b - d)) = (sin. ½ AC + sin. ½ AM) × (sin. ½ AC - sin. ½ AM).

p. [830]