Not too much to go on with Gurney as yet, haven’t found anything to verify what their cast looks like – especially the underside of the handles. Was it rounded or flat – there is cast coming out of the US with identical handles.
High pot, low pot and spider: http://gallery.castironcanada.com/albums/userpics/10001/pots_and_skillet.jpg
Ham Broiler: http://gallery.castironcanada.com/albums/userpics/10001/hambroiler~2.jpg
Price and size list: http://gallery.castironcanada.com/albums/userpics/10001/hollowware_size_and_price.jpg
Collection as below: http://gallery.castironcanada.com/albums/userpics/10001/hollow_ware.jpg
And what seems to be the complete hollow ware collection of Gurney in 1892: