smaller lenses of 19 68 inches ot focal distance valuable one for ship charts. If used on bank inclined inwards towards the lamp, which is bills it would be a most efficient means of also their common focus, and thus forming by preventing fraud, inasmuch as no alteration their union a irustrum of a… … One of the greatest improvements for the ken out in England in the name of Mr. New- falling on those lenses is formed into eight easily oxydized of the. two. This plan was benefit of commerce, made in the present cen- ton, the agent there, and not that of Mr. Gilli well known ts Sir Humphrey Davy,…
