1. The construction of micrometers, English and American (5-8) 2. The Vernier height gauge in use (9-10) 3. Method of determining and checking precision holes (11-17) 4. Making a single blanking press tool (18-25) 5. Making a spring press tool (26-29) 6. Making a simple and efficient drill (30-34) 7. How large motor-body tools are produced (35-41) 8. The making of a bakelite mould (42-51…