DIY SURFACE PLATE LAPPING PART 1 (audio fixed)
Surface plate testing with a Planekator plus moving a big plate
Granite Lapping Followup
DIY SURFACE PLATE LAPPING PART 2
Lapping Plates using the Whitworth 3 plate method.
Laping my granite surface plate
DIY Precision Lapping Plates from Scrap
How I made my own granite surface plate
Lapping my Granite Surface Plate to AA Grade
DIY Straightedge made from I-beam
DIY SURFACE PLATE LAPPING ANSWERS TO PART 1 QUESTIONS
Fabricating a Surface Plate Stand: Part 2
Making flat lapping plates 1