Abtificial Ice

Ingredients

• 7 pints clear spring water
• 2 oz refined nitre (saltpetre)

Directions

1. Fill a common stone gallon bottle with 7 pints of hot clear spring water.

2. Add 2 oz of refined nitre to the water.

3. Seal the bottle with a good sound bung.

4. Submerge the bottle in a deep well.

5. After 3 to 4 hours, check for ice formation.

6. Occasionally lift the bottle out of the water to speed up the freezing process.

7. Break the bottle to retrieve the ice.