Experiment X.
Then I added to this fix’d Powder ([IX.]) some Borax in a Crucible, and increased the Fire by blowing. It became one Mass, brittle, growing like Glass, and fix’d in this great Fire.
Then I added to this fix’d Powder ([IX.]) some Borax in a Crucible, and increased the Fire by blowing. It became one Mass, brittle, growing like Glass, and fix’d in this great Fire.