Bottle containing alloy of 50% potassium nitrate (nitre) and 50% lead nitrate
1885
Bottle containing alloy of 53.14% potassium nitrate (nitre) and 46.86% lead nitrate
1885
Bottle containing alloy of 80% potassium nitrate (nitre) and 20% lead nitrate
1885
Bottle containing alloy of 60% potassium nitrate (nitre) and 40% lead nitrate
1885
Bottle containing alloy of 70% potassium nitrate (nitre) and 30% lead nitrate
1885
Bottle containing alloy of 30% potassium nitrate (nitre) and 70% lead nitrate
1885
Bottle containing alloy of 40% potassium nitrate (nitre) and 60% lead nitrate
1885
Bottle containing alloy of 90% potassium nitrate (nitre) and 10% lead nitrate
1885
Bottle containing alloy of 20% potassium nitrate (nitre) and 80% lead nitrate
1885
Bottle containing alloy of 10% potassium nitrate (nitre) and 90% lead nitrate
1885
Ten bottles containing a series of alloys of potassium nitrate
1885