This mathematic exercise book belonged bears the name of Samuel Geer, who was probably from Groton, Connecticut. The book is filled with mathematical calculations and problems, as well as solutions, written in a very neat hand. Questions involve liquid, cubic, long and square measurements, time (“How many minutes since the creation of the world…”), percentages, and compound interest (“What is the compound interest of 450 dols. for 4 years at 7 per cent?”)