if%^n/ 



SCIENCE 



New Series. 



Vol. VIII. No. 202. 



Friday, November 11, 1898. l^^I.^SBitxTox 



Annual Subscbiption, $5.00. 



yvo. 3. 



Chemical Apparatus 



AND CHEMICALS. 



Queen & Co.'s No. 3 Analytical Balance has agate bearings and knives, short 

 aluminum beam, a capacity of 200 grms., a sensibility of '/jo m. g., and sells for 

 $55.00. A splendid instrument for students' use. 



Queen & Co., inc., 



... Optical and Scientific Instrument Works, ... 



New York Branch; 59 Fifth Ave. IQIO CHESTNUT ST., PHILADELPHIA. 



