August 17, 1905] 



NA TURE 



civ 



SPECTROSCOPE - REFRACTOMETER 



(as suggested by, and made for, 

 R. APPLEYARD, Esq.) 



Telegraphic 



Address : 

 SPHERICITY, 

 LONDON." 



7/)/s new i list r u men t is a Gonio- 

 meter, Spectrometer, and Refracto- 

 meter comt)ined ; and is an 

 accurate and efficient instrument 

 in any of tliese capacities. As a 

 Refractometer {Pulfricli type) it is 

 a rapid and convenient instrument 

 for measuring tlie refractive indices 

 of transparent solids and liquids. 



ILLUSTRATED LIST ("A") OF SPECTROSCOPES AND ACCESSORIES GRATIS. 



AJ3AM: HILGER, ICtd., 75a Camden Road, London, N.W. 



AWARDED GOLD MEDAL ST. LOUIS EXHIBITION, 1904. 



Is invaluable to 

 The Pathologist, 

 The Pharmacist, 

 The Chemist, 

 The Botanist, 

 The Geologist, 

 The Mineralogist, 

 The Entomologist, 

 and all who have to 

 arrange large numbers of 

 bottles, jars, boxes, tubes, 

 and general apparatus. 



ed 4 oz. bottles occupy less tha 

 !ach bottle is instantly located, 



epiaced. 

 nodated 



Capacity for capacity it is no more expensive tlian an 

 ordinary cupboard of like quality. 

 It is infinitely more convenient. 

 It automatically indexes and classifies. 

 It saves 8 lOthb of the wall space. 

 And a vast amount of time in hunting up specimens. 



.//•;•/. r /(ii; Tin-: iiin>\\\ list to 



THE SYTAM FITTINGS CO., 



18 & 19 BASINQHALL BUILDINGS, 

 LEEDS. 



Te'egrams : Wort, Lesds. Telephones 188= and 1942. 



AWARDED MEDALS WHEREVER EXHIBITED, 



including 9 at the Rreat P.Tiis Exposition of iqco. 



JAS.J. HICKS, 



WHOLESALE MANUFACTURER OF 

 SCIENTIFIC AND CHEMICAL APPARATUS 



WAR OFFICE, INDIA OFFICE, ADMIRALTY, 



ROYAL COLLEGE OF SCIENCE (LONDONi, 



GOVERNIUENT LABORATORY, 



MANCHESTER SCHOOL OF TECHNOLOGY, &c., &c. 



HYGROMETER 



and 



THERMOMETER. 



ANY KIND OF SCIENTIFIC INSTRUMENT MADE TD ORDER. 



Prompt Attention to all Orders and Inquiries. 

 a«- EXCEPTIONAL TERMS TO COLLEGES, INSTITUTIONS &c 



Quotation, , d;,nttc^ /.;- L.x:on,t.,ry 0„t^/Us or Sn.^U In!.lr:,,:;c,:::.^ 



THERMOMETERS FOR STUDENT WORK A SPECIALITY. 

 Catalogues Post Free. (Slate which required.) 



8, 9, & 10 HATTON GARDEN, LONDON. 



