Report of the Kew Committee. 



465 



graphs for the Brussels Observatory, and a TTnifilar and Dip-circle for the 

 Marine Observatory, San Fernando, Spain. 



The following meteorological instruments have been verified, this por- 

 tion of the work being entrusted to Mr. T. W. Baker, assisted by Messrs. 

 Foster, Constable, and Grunter : — 



Barometers, Standard 71 



„ Marine and Station 113 



184 



Aneroids 25 



Thermometers, ordinary Meteorological .... 1428 



„ Boiling-point Standards 57 



„ Mountain 22 



Clinical 2281 



„ Solar radiation. 75 



3863 



In addition, 102 Thermometers have been tested at the melting-point 

 of mercury. 12 Standard Thermometers have been calibrated and divided 

 at Kew. 



The following is the list of miscellaneous instruments which have 



been verified : — 



Hydrometers 249 



Eain-gauges 11 



Dial Anemometers (Robinson's) 5 



In addition to those for the Admiralty, the Meteorological Council, 

 and the opticians, a number of instruments of various kinds have been 

 verified for the Standards Department and the Ordnance Department, 

 Woolwich. 



The total increase in the number of instruments verified over last year 

 has been 680, and in fees earned £25 lis. 2d. 



There are now at the Observatory undergoing verification 56 Ther- 

 mometers, 1 Hydrometer, and 35 Barometers. 



London Office for receipt of instruments for verification. — Arrangements 

 have been made with Mr. Strachan, of the Meteorological Office, who 

 now receives instruments for verification at Kew, at 116 Victoria Street, 

 "Westminster, and takes charge of them on their return. 



Mr. G-alton's apparatus for testing Thermometers has continued to 

 work satisfactorily ; and a paper containing a description of the instru- 

 ment, with an illustration, has been published in vol. xxvi. of the ' Pro- 

 ceedings of the Royal Society.' 



