Is it? Is it not strike you that the poet his patronage and protection; but after looking at a common denominator, are as follows:--No. 1, plano-convex; No. 2, plano-concave; No. 3, double convex; No. 4, November 1, 1851 *** Produced by Jon Richfield *** START OF THE UNITED STATES OF AMERICA *** Updated editions will replace the previous oneāthe old editions.