1) Human urine, which formerly had many domestic and industrial uses.
1589 a kytt full of wash or chamber lee, Woodsome
c.1688 wash it with hot skalding Chamberlee & Salt, Conistone. In c.1710, entered in a list of things used medicinally in the memorandum book of William Storr, was chamberly grounds, Scalm Park. In a Quarter Sessions case at Wakefield in 1745 it was claimed that a man assaulted a woman and throw'd a chamber pott full of chamberlee and dirt on her. Two articles in OWR by Jennifer Stead contain much information on this topic.