CHARLES GRIFFIN & COMPANY, 



LIMITED. 



A SELECTION FROM 

 CHARLES GRIFFIN & CO.'S 



Scientific and Technical Publications, 



FULL DETAILED CATALOGUE ON APPLICATION. 



1820 



MESSRS. CHARLES GRIFFIN & COMPANY'S 

 PUBLICATIONS may be obtained through any 

 Bookseller in the United Kingdom, or will be sent 

 on receipt of a remittance to cover published price 

 and postage. To prevent delay, Orders should be 

 accompanied by a Cheque or Postal Order crossed 

 "UNION OF LONDON AND SMITH'S BANK, Chancery 

 Lane Branch." 



Telephone 

 1634 City. 



LONDON: 



Telegrams 

 Explanatus. 



12 EXETER STREET, STRAND. 



M.T. 32, April, 1917. ^-O* 



M\ 



