SCIENTIFIC BOOKS 



Comer of Cower Street and Cower 

 Place adjoining University College. 



H. K. LEWIS & Co. Ltd. 



A very large selection 



of new and standard works 



in every branch of Science 



always available. 



The Department for Scientific Books, 



English and Foreign, 

 is on the first floor (Passenger Lift). 



Orders and Inquiries by Post 



promptly attended to. 



Underground : Euston Square, Warren Street. 



Buses : Euston Road and Tottenham Court 

 Road. 



MEDICAL AND SCIENTIFIC 

 LENDING LIBRARY 



Annual Subscription 

 Town or Country 

 from One Guinea. 



Detailed Prospectus on Application. 



Books may be retained as long as required or exchanged daily. 



The Library is useful to Societies and Institutions, and to those engaged on Special 



Research Work, etc. The Library includes all Recent and Standard Works in all branches 



of Medical and General Science. Every work is the latest edition. 



Reading and Writing Room (First Floor) open daily. 



New Books and New Editions are added to the Library 

 and are available to Subscribers Immediately on Publication. 



Catalogue of the Library, revised to December, 1927, with Supplements, 1928-30, 

 and 1931-3, containing Classified Index of Subjects and Authors, demy 8vo., 16s. net 



(to Subscribers, 8s. net). 



The Supplements separately, 2s. net each 

 (to Subscribers, Is. net each). 



Bi-Monthly List of New Books and New Editions 



is issued free to all Subscribers and Book-buyers regularly. 



I H. K. LEWIS & Co. Ltd. 



PUBLISHERS AND BOOKSELLERS 



STATIONERY DEPARTMENT : Scientific and General. 

 Loose-leaf Notebooks, Record Cards, Filing Cabinets, etc. 



SECOND-HAND BOOKS : 140, Gower Street. Large and varied stock- 

 Books wanted advertised for and reported. (Telephone: Museum 4031.) 



136, GOWER STREET, LONDON, W.C.I 



Telegrams : " PuBLICAVIT, WESTCENT, LONDON." Telephone : MUSEUM 7756 (3 lines). 



