1) Human urine.
1589 a kytt full of wash or chamber lee, Woodsome
1650 they searched the body of the saide Mary Sikes and founde ... a redd lumpe about the biggnes of a nutt ... when they wrung it with theire fingers moisture came out of it like lee, Bowling
c. 1688 wash it with hot skalding Chamberlee & Salt, Conistone
1738 her stomach sweld that her lese broak , Sheffield. In c.1710, entered in a list of things used medicinally in the memorandum book of William Storr, was chamberly grounds, Scalm Park. Two articles in OWR contain much information on this topic.