Measures "imperial" english copper 1/2 gill to 1 gallon / nineteenth century x 7pcs

Set of 7 imperial measures in copper pitcher. 1/2 gill + 1 gill + 1/2 pint + 1 pint + 1 quarter + 1/2 gallon + 1 gallon. The pitchers are marked "imperial" followed by their capacity. They also bear the number 47, serial number or year (1847) Height of the smallest (1/2 gill) = 7 cm. Height of tallest (gallon) = 22 cm. Weight: total of 7 pieces 4kg778. Many photos in description especially to see. Manufacturing techniques, small bump without gravity, copper wear. See contract photos. A question. Do not hesitate to ask your questions.