Fergusson's Percentage unit of angular measurement, with logarithms; also a description of his percentage theodolite and percentage compass, for the use of surveyors, navigating officers, civil and military engineers, universities and colleges

This book has been considered by academicians and scholars of great significance and value to literature. This forms a part of the knowledge base for future generations. So that the book is never forgotten we have represented this book in a print format as the same form as it was originally first published. Hence any marks or annotations seen are left intentionally to preserve its true nature.