Weights and Measures Act, 1878 : comparisons of the parliamentary copies of the imperial standards, with the imperial standard yard and the imperial standard pound and with each other : report by the Board of trade dated December 7, 1935 ; together with a report on the re-verification of the British national copies of the metre and kilogram and an account of a re-determination of the ratio of the pound to the kilogram made during the years 1932 to 1933.
Great Britain.Board of Trade,issuing body.
Great Britain.His Majesty's Stationery Office.