The Fish jug was registered 24th November 1882, 24 is the top number for the day , L on the right for year, K on the bottom for month and parcel number 17 on the left and registered to W H Heppell and Co and made later by Davidson who acquired the molds
Daniel I still would say 90% your pot Davidson and my best bet with your sugar bowl with those little handles is Henry Greener
Roy