&.TATLOCK: (LONDON) LTD. 



Models for Illustrating Atomic Theory. 



3557 B 



A. Benzene (Baeyer's) formula ; the models are seen from above. 



B. Dihydrophthalic acid. 



V 



1 



7X 



9. Maleic acid. 



j 



3557-3558 



557 s Solid Formulae ; models for use in teaching organic chemistry, by Arnold Eiloart. Price 

 of complete set, consisting of six wooden models, six straight pins, six hinged pins, forty 

 japanned tin caps, with formula, etc. . . . . . . ..2126 



558 s Stands for Eiloart 's models, to raise and lower, with swivel joint giving any angle or position. 



Extra, each 066 



(See description in Dr. Eiloart 's " Guide to Stereochemistry." London : Clarence Eiloart. 



n, Clement's Lane, E.G. Price 4/- net.) 



ICHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



667 



