📙 "Solution of Triangles" is a concise treatise on the use of formulas and trigonometry within engineering. Originally designed for use in machine shops, tool rooms, and drafting rooms, it offers simple, practical information on the solution of triangles and related formulas for those engaged in machine work and allied fields. This vintage book will appeal to those with an interesting workshop practice, and it is not to be missed by collectors of related literature. Contents include: "The Use of Formulas", "Angles and Angular Measurements", "Positive and Negative Quantities", "Functions of Angeles", "Tables of Trigonometric Functions", "Practical Applications of Trigonometric Formulas", "Right-angled Triangles", "Solution of Oblique-angled Triangles", "Summary of Formulas for Solution of Triangles", etc. Many vintage books such as this are increasingly scarce and expensive. It is with this in mind that we are republishing this volume now in an affordable, modern, high-quality edition complete with the original text and artwork.