The usher : Comprising arithmetic in whole numbers; federal money; decimal and vulgar fractions; a description and use of Coggeshall's sliding rule; some uses of Gunter's scale; superficial and solid measuring; geometrical definitions and problems surveying; the surveyor's pocket companion, or trigonometry made easy; a table of sines; a table of tangents; miscellany; tables of the weight and value of gold coins. Calculated and designed for youth. By Ezekiel Little, A.M. Published agreeably to act of Congress. [Two lines of verse].