With Mark L. Winn’s shampooing apparatus, “a person may have his hair washed, brushed, showered with water, and, lastly, dried while retaining an easy and comfortable sitting position.” That would be impressive today, but Winn patented this in 1871. Essentially it consists of a watertight helmet in which the hair is washed and then rinsed with a detachable sprinkler, with the dirty water discharged through a pipe; there’s no need for a sink.

The drier is “heated by caloric introduced through pipes, or by a flame from a spirit-lamp.” I wonder whether he tested this …