My DIY Surface Plate
20:11
Surface Plates: Granite vs Cast Iron
7:56
How to determine if your surface plate is out of tolerance.
26:44
Precision Lapping 101
49:56
Lapping my Granite Surface Plate to AA Grade
17:52
Flat From Scratch, revised - The 3 plates method
1:36:25
Lapping Plates using the Whitworth 3 plate method.
23:53
Making Flat lapping plates 4
18:04