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 The present observers on the China and Japan coast have all taken up their work without material profit or proper assistance. The latter is absolutely necessary if there is to be a perfect regularity in observing. Great credit is due to the Great Northern Telegraph Company, and its Director M. Dreyer, for the care with which they give their disinterested aid for the advancement of the meteorological knowledge of the China and Japan coast.

As I have already mentioned, these observations are made at the Physical School in Nagasaki, and the point of observation is 650 meters distant E.S.E. from the former place of observation at Desima. The reservoir of the barometer is placed 37 metres above the medium level of the sea, which height was determined by myself by levelling.

The hours of observations are 7, 9 , 12 , 3 and 6  I was  obliged to choose these hours, because I had to bring them into accord with my other daily occupations.

All observations are made with the same instruments, the correctness of which were before exactly determined. The position of the instruments remained unchanged.

The direction of wind is given in true bearings (not magnetic). The magnetic deviation was determined by me on the 26th September 1871 with a magnetometer by Gauss. I found it to be 2 degrees 37 min. W.

The Anemometrical degrees are those of Admiral Beaufort with some slight alterations.