Note 7 — Chapter VI
Reading edition
For enlargement on this topic see Appendix A.
8. As contended by W. H. Goodyear in his Grammar of the Lotus.
9. Lib.
10. These refinements, first noticed by Allason in 1814, and later confirmed by Cockerell and Haller as to the columns, were published to the world in 1838 by Hoffer, verified by Penrose in 1846, and further developed by the investigations of Ziller and later observers.