How bad is a dirt cheap Chinese surface plate?
10:25
Сhecking the surface plate with a microcator 0,0001 mm.
8:01
Evde PCB Üretimi: Kolay ve Hızlı Yöntem! 🛠️ | Si5351 Clock Generator
10:24
DIY Straightedge made from I-beam
23:16
Build: a highly sensitive precision level (0.01 mm/m)
17:52
Flat From Scratch, revised - The 3 plates method
49:56
Lapping my Granite Surface Plate to AA Grade
9:37
A DIY Flatness Gauge
18:40