Report of the Kew Committee for the Year ending 

 October 31, 1890. 



The operations of The Kew Observatory, in the Old Deer Park, 

 Richmond, Surrey, are controlled by the Kew Committee, which is 

 constituted as follows : 



Mr. F. Galton, Chairman. 



Captain W. de W. Abney, C.B., 



R.E. 



Prof. W. G. Adams. 

 Staff-Commander E. W. Creak, 



R.N. 



Prof. G. C. Foster. 

 Admiral Sir G. H. Richards, 



K.C.B. 



The Earl of Rosso, K.P. 



Prof. A. W. Riicker. 



Mr. R. H. Scott. 



Lieutenant- General R. Strachey, 



C.S.I. 



General J. T.Walker, C.B. 

 Captain W. J. L. Wharton, 



R.N. 



The work at the Observatory may be considered under the fol- 

 lowing heads: 



1st. Magnetic observations. 

 2nd. Meteorological observations. 

 3rd. Solar observations. 



4th. Experimental, in connexion with any of the above depart- 

 ments. 



5th. Verification of instruments. 

 6th. Rating of Watches and Marine Chronometers. 

 7th. Miscellaneous. 



I. MAGNETIC OBSERVATIONS. 



Throughout the past year the magnetographs have worked in a 

 satisfactory manner. In accordance with the usual practice, determina- 

 tions of the scale values of all the instruments were made in January 

 last. 



The values of the ordinates of the different photographic curves 

 then determined, were as follows : 



Declinometer : 1 inch = 22'"04. 1 cm. = 8'' 7. 



Bifilar, January 10, 1890, for 1 inch oH = 0'0278 foot grain unit, 



, 1 cm. , = 0-00050 C.G.S. unit. 



