Cutting Tools Worked by Hand and Machine by Robert H. Smith examines the principles behind removing and separating material. Published in 1882 by Cassell, Petter, Galpin & Co., it belongs to the Manuals of Technology series. The title page identifies fourteen folding plates and fifty-one woodcuts, supporting a discussion that ranges from hand tools to powered woodworking and metalworking machinery.
Understanding cutting rather than listing tools
Smith’s preface explicitly distinguishes his purpose from a comprehensive descriptive catalog. He does not attempt to enumerate every cutting tool or explain every machine construction. Instead, the book seeks to help a student think scientifically about tools and use practical knowledge to judge designs and working conditions.
This makes the volume a useful companion to manuals that simply show how an operation is performed. Smith asks what the cutting edge is doing, what forces act on it and how its shape relates to the material. A familiar chisel or plane becomes an example of a wider mechanical process.
The book treats wood and metal tools together where possible. That comparison helps readers identify common principles without overlooking the different behavior of the materials. The organization is based substantially on cutting action rather than only on the trade in which a tool is used.
Chisels, planes and the cutting edge
The opening chapter concerns chief tools for wood, including wedges, gouges, axes, adzes, paring chisels, grinding and the setting or adjustment of tools. It introduces the geometry of the edge and its relationship to the work. The discussion connects a tool’s form with the force required and the result produced.
Chipping chisels and hand planes follow. Smith examines the action of a chisel and the balance between forces during cutting, then considers wood hand planes and the guidance of their irons. These explanations are relevant to readers interested in why a tool behaves differently when its angle, support or direction changes.
Rather than reducing the subject to one ideal edge, the book considers working circumstances. A tool must penetrate and separate material, remain strong enough for its task and operate with manageable friction. Those requirements can pull the design in different directions.
Machine planes, saws and milling machines
The machine-plane chapter extends the discussion to velocity, feed, the form of the chip and different arrangements of cutting machinery. Saws and milling machines then introduce continuous and repeated cutting edges. Frame, band, scroll and circular saws appear within this broader comparison.
The contents include cutting speed, feed, horse power, tooth spacing and the angles of milling tools. The emphasis is on relationships among conditions rather than on a collection of finished machines. Readers researching historical workshop technology can see how the study of cutting became connected with questions of power and production.
Planing, shaping and slotting machines receive their own chapter. Tool action, friction and holding arrangements are considered alongside different forms of machine movement. This gives context to operations that may look similar at the cutting point while using very different ways of moving the tool or work.
Lathes, drilling and shearing
The lathe chapters consider the geometry of turned work, methods of driving and holding it, and the cutting tools used. Smith discusses the position and form of a tool edge in relation to motion, material and force. This is particularly useful for readers seeking an analytical background to traditional turning practice.
Boring and drilling introduce another set of tool forms, including drills, reamers and feed arrangements. The final chapter concerns punching and shearing machines, comparing processes in which material is separated through force applied in a different way from ordinary chip removal.
Who will find the volume useful?
This free ebook suits tool historians, mechanically curious woodworkers and readers studying the development of machine-shop practice. Its strongest contribution is the attempt to connect apparently separate operations through mechanical principles. The folding plates and woodcuts are important companions to the prose and should be consulted when following a geometric explanation.
The volume reflects nineteenth-century science, machines and working practices. Its numerical conclusions and operating arrangements should be compared with current engineering information and safety requirements before practical application. The PDF contains scanned pages without searchable text; its contents and illustrations are the main routes through the 268 digital pages.
Book details
- Author: Robert H. Smith
- Publisher: Cassell, Petter, Galpin & Co., London, Paris and New York
- Year: 1882
- Edition: No numbered edition stated
- Digital length: 268 PDF pages
- Language: English
- File size: 6.19 MB
