1 Sep
2021
1 Sep
'21
8:49 p.m.
On September 1, 2021 8:23:55 PM UTC, "David Lanzendörfer" leviathan@libresilicon.com wrote:
Ah. The idea was to use a normal melting furnace, then put a quartz glass bottle into the crucibel,
try a 2nd hand 2500 W catering microwave, quartz bottle straight in.
from a junkyard they can be as low as USD 25, Julia bought 4.
do not operate indoors in case of exploding.
l.