Note 11 — Chapter XIII
Reading edition
Berthelet says: "Thin disks of compressed guncotton may be pierced by a ball without explosion; but if thickness of disk be increased or resisting envelope used an explosion occurs."
Reading edition
Berthelet says: "Thin disks of compressed guncotton may be pierced by a ball without explosion; but if thickness of disk be increased or resisting envelope used an explosion occurs."