There is a listing on eBay for a magazine that has an advertisement for a Chambers Autostat Gas Range. Anyone know what model this would be?

[url="http://cgi.ebay.com/Modern-Priscilla-magazine-April-1929_W0QQitemZ7011319400QQcategoryZ280QQrdZ1QQcmdZViewItem"]http://cgi.ebay.com/Modern-Priscilla-magazine-April-1929_W0QQitemZ7011319400QQcategoryZ280QQrdZ1QQcmdZViewItem[/url]