Footnotes

[1]An anhydride is a substance which unites with water to form an acid.

[2]See [Frontispiece].

[3]Now £13 a ton.

[4]Basic lead carbonate.

[5]An electron is probably an “atom” of negative electricity detached from matter.

Printed by Sir Isaac Pitman & Sons, Ltd. Bath, England
(v—1468c)