Figure 1: Angle Gauge.

Spirit levels are used for checking and leveling the surfaces during installation and checking. Figure 1: Spirit Level.

Figure 1: Micrometer. Micrometer screw gauge works on the principle of nut and bolt. It consists of an accurate screw with

Figure 1: Parkinson’s Gear Tester. Instead of measuring individual errors in gears, composite errors are checked. The composite error indicates

  Figure 1: Tool Maker’s Microscope. Tool Maker’s Microscope is a direct reading measuring instrument used extensively in the shop

A gear tooth vernier caliper is a precision instrument used to measure the dimensions of gear teeth, such as the