The watchmakers' hand book

Part I. Arithmetic, Geometry, Drawing, Etc.

Chapter 136 wordsPublic domain

Arithmetic. Some Signs Employed in Calculations. Powers and Roots. Proportion. Elements of Practical Geometry. Geometrical Drawing. Drawing Instruments. Geometrical Drawings. the Micrometrical Dividing Table. Other Methods of Dividing Into Equal Parts. to Subdivide a Circle. Time.