The Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and the Sliding Rule: Teaching the Manner of Drawing All Regular Superficies, and the Most Concise Methods of Finding the Areas of All Regular Superficies, and the Contents of All Regular Solids, Both by Numbers and by the Sliding Rule. : Treating Also of the Laws of Motion--the Descent of Falling Bodies--the Strength of Materials--the Mechanical Powers--the Elasticity and Force of Steam--specific Gravities--levelling--the Pendulum, Etc. : Adapted for the Use of Carpenters, Shipwrights, Wheelwrights, Sawyers, Gaugers, Lumbermen, Students, and Artisans Generally