21:58

Specially shaped surface plate

29:01

Repairing a gringding machine using an AUTOCOLLIMATOR

25:40

Precise spirit level

12:21

Поверочная плита "обкатка" микрокатором 0.0001 мм

10:31

Scraping a rock into a master square

11:12

My DIY Surface Plate

26:11

Scraping a Hobby Mill Like a Pro: The Table

21:32

Scraping of a pair of linear movement 3000 mm. Additional measurements.