(70/160) 2020-06-13_20-30-51.jpg
Only positive effect of the Lock-down
69: Master Kludge - pressure switch to enable - silver bit fuzzy forground - TI-button power supply right edge - TIG-button control
68: 2020-05-27_14-21-51.jpg
67: 2020-05-27_13-52-16.jpg
66: 2020-05-27_13-51-33.jpg
65: 2020-05-27_13-50-53.jpg
64: 2020-05-27_13-50-48.jpg
63: 2020-05-27_13-47-54.jpg
62: 2020-05-27_13-47-33.jpg
61: Machining trig notes
60: Stupid hum bars from LED lights
71: Still in business https://www.buschprecision.com/Busch-Precision/Contact/About-Us/Our-History.htm Close to the now #1022 18" x 15" x 4" $3-4K new (as of ⎄2020) Series Surface Plates. Grooves are 2mmW x 2.5mm”D on 13.5 mm centers.
72: Kwik Switch 200 tap adapter - disassembly
73: Ballplan microscope flashlight light source adapter
74: Ballplan microscope flashlight light source adapter
75: 2020-07-01_21-51-10.jpg
76: 2020-07-01_22-01-41.jpg
77: 2020-07-01_22-41-42.jpg
78: 2020-07-03_17-07-05.jpg
79: Carbon content vs strength, hardness and ductility
80: iron carbon phase diagram. Good one - better than photos.
