(Click for full photo)
1870 - 1900 Sunbeam Royal Sunbeam oilbath filler Royal Sunbeam oilbath filler (patent 1896)
Another view of Sunbeam patent GB189623149, this time as fitted to my 1923 Royal Sunbeam. The removable quadrant looks a bit out of shape on the r.h. join.
see full details of this patent by keying in the number at ep.espacenet.com/numberSearch?locale=en_ep
or go straight to the patent here: