How to "catch" a micron.
18:06
Reading Optical Flats Part 1
21:58
Specially shaped surface plate
14:39
Hints on making Straight Edges out of Steel
14:53
Measuring a Straightedge with a Precision level
27:18
Let's talk about my scraping machine
13:40
Getting flat: Making cast iron lapping plates
19:17
Surfase Plate 0,001mm (repairing)
25:40