1894 - George Vivian Poore, Essays on rural hygiene, page 227
When ‘earth-closets’ are in use there are certain practical points which demand attention. In the construction of an <small-caps>E.C.</small-caps> every attention must be paid to cleanliness and decency and their easy maintenance. An <small-caps>E.C.</small-caps> should never be contained within the four walls of the main structure of a house.
1896 — Australian Bureau of Statistics, Queensland Office, Statistics of the State of Queensland, page 47
2007 — Gordon Allen, The Cheap Cottage and Small House, page 102
The old-fashioned cesspool is more economical than the last-mentioned, and after a word or two about <small-caps>E.C.</small-caps>'s and septic tanks, we will describe how it works.