November^ igso 



PROCEEDINGS 



ROYAL IRISH ACADEMY 



Volume XXXV, Section A, No. 3 



FRANK L. HITCHCOCK 



A STUDY OF THE VECTOR PRODUCT v^^aB^ 



DUBLIN 

 HODGES, FIGGIS, & CO 

 LONDON: WILLIAMS & NORGATK 

 1920 



Price One Shilling 



