1.   Haines found a glass mug, washed it out and filled it from a brew kettle.

2.   Nowadays, with refrigeration and sealed brew kettles, both methods are used year-round.

3.   Secured in a canister, the superheated stones sat in the brew kettle through the full boil.

4.   They boil the ingredients in the brew kettles, then pump the liquid through a filter and a chiller, add yeast and transfer it into a fermenter.