Universal Hardness Tester Prototype
54:05
Wolpert Testor HT2a Hardness Tester
36:54
Machining a Seiko Wristwatch Replacement Part
15:35
Galileo Hardness Tester Restoration and Calibration
35:52
Restoring Machine Tool Paint
45:41
Servicing a High Precision GMN Spindle
12:03
TOOL TIME- Simple Hardness Testers- TSUBOSAN hardness testers HRC40~HRC65
24:44
How hard can it be? Part I (building a full range Vickers and Rockwell hardness tester)
26:40