Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 38. Chapters: Angle plate, Bore gauge, Caliper, Center gauge, Combination square, Coordinate-measuring machine, Drawbar force gauge, Engineer's blue, Engineer's scale, Engineer's spirit level, Feeler gauge, Gauge block, Go/no go gauge, Height gauge, Indicator (distance amplifying instrument), Machinist square, Marking blue, Marking gauge, Marking out, Micrometer, Optical comparator, Parallels (engineering), Profilometer, Radius gauge, Ring gauge, Ruler, Sine bar, Snap gage, Straightedge, Surface plate, Tape measure, Thread pitch gauge, Universal measuring machine, Vernier scale, Wiggler (tool).