3D Report of the Kew Committee. 



A summary of the results for the year is given in Appendix II, 

 Tables I, II, and III. 



With the sanction of the Meteorological Council, data have been 

 supplied to the Council of the Royal Meteorological Society, the 

 Institute of Mining Engineers, the editor of ' Syinons's Mouthly 

 Meteorological Magazine,' Dr. Rowland, and others. 



Detailed information of thunderstorms observed in the neighbour- 

 hood during the year has been forwarded to the Royal Meteorological 

 Society. 



Anemograph. The " worm " on the direction fan-spindle had 

 become very thin through wear, causing considerable " back-lash ; " 

 a new one has been put in hand by Munro, and will be fitted up at 

 an early date. 



The new square-headed pricker, mentioned in the last Report, has 

 been rather unsatisfactory in its action, and will be shortly replaced 

 by a round one, made of specially hardened steel. 



Rain-gauge. The Willesden prepared papers have been in daily use 

 on the self-recording Beckley gauge, and although the curves ob- 

 tained are clear and distinct, yet the defect of the lengthening of the 

 sheets in wet weather has not been entirely overcome. 



Circular letters were sent to several prominent paper makers 

 asking for samples of material, specially prepared, to be used in a 

 very damp atmosphere ; but of those thus obtained, only one sample 

 (supplied by Messrs. Waterlow and Sons) showed no appreciable 

 lengthening in the dampest atmosphere producible artificially. It 

 has, however, some counterbalancing defects, which render its 

 superiority to the Willesden paper for the purpose in view somewhat 

 doubtful. 



Paragraph. At the request of the Meteorological Office an investi- 

 gation has been carried out as to the causes of fluctuations that 

 present themselves in the value of the residual correction to the 

 barograph readings, which is deduced by comparison of simultaneous 

 readings of the barograph and a standard barometer. 



An analysis was made of the value of the residual correction be- 

 tween May, 1892, and October, 1893, while numerous measurements 

 were taken of the width of the temperature compensation to the 

 barogram at different temperatures. The data obtained accounted 

 for a very considerable part, at least, of the irregularities observed iu 

 the residual correction. 



A report embodying an analysis of the results has been sent to the 

 Meteorological Office. 



Electrograph. This instrument has been in regular action durin: 

 the year, but its performance on the whole has been rather nnsatii 

 factory. Early in the year the needle-suspension being accidental! 

 broken, another was fitted without delay, and a new determinate 



