= .5118 Fl
Collins, John, 1625-1683. The description
and uses of a general quadrant ...
1658. (Card 2) That on the 3d prelim.leaf refers to the author's The sector on a quadrant.
In this copy between p.38 & 39 is bound a leaf
paged 21-22, apparently intended to cancel p.21- 22 as normally bound.
Wing C5371.