Here is a link to information regarding the Climax found in a number of historical settings in Australia, including the 1872 Mount Rothwell homestead, page 8.06.8 - http://www.mileslewis.net/australian-building/pdf/08-metals/8.06b%20ironmongery.pdf
Below is a picture of a Climax supplied by Webb & Greenway from the 1862 Borneham Abbey, found from this site - http://www.gracesguide.co.uk/Webb_and_Greenway