BIRKBECK COLLEGE, 



Breams Buildings, 



Ohancery Lano, B*0>4. 

 COURSES OF STUDY (Day and Evening) fmr Decmt ot the 

 UNIVERSITY OF LONDON in the Faculties of 



SCIENCE AND ARTS (PASS AND HONOURS) 



under RECOGNISED TEACHERS of the University. 



SCIGNOE.— Chemistry, Pbyslee, .Mathcautlcs (Pcre and Applied), Botany, reeleiy. deelofr. 



ARTS.— Litis, Qreek, Eagligb, Preach, German, Italian, Mlstery, ezefrcp by, 



Logic, Eceaoailcs, Mathematics (Pare and Applied). 



Geography Diploma end Matriculation, evening Conrset for the Degrees In Economic and Lews. 



POST-GRADUATE AND RESEARCH WORK. 



Sessional F*a*l Do ' : SG,EN ^. £17 Ws.; ARTS. £W Ws. ; 



oessiunat ^cosy Evening . sc/ENCEt ARTSi or economics, £S Ss. 



Prospectus free, Calendar 3rf. (by post 5</.), on application to the Secretary. 



DUSTLESS ROOMS 



On ail Laboratory, Library, Museum, School, Xrc, Floors and Linoleums of every description 



(A Regd. Name 



suggested by 

 FLOOR-HYGIENE.) 



-J 



It is IMPORTANT TO NOTE **** ONE APPLICATION of "Florlgene" 



ALLAYS the DUST and DIRT for iton months, according; to traffic, mat 



only during each Sweeping (without sprinkling of any kind) but also throughout 



all the intervening periods — which is area of greater hygiealc importance. 



These sanitary and labour-saving advantages are NOT attained by sweeping-powders ar any etber method. 



Send for Particulars, Medical Xtjtrts, and Testimtnials, I* the SoU Manufacturers t 

 THE "DUST ALLAYER" CO. New Address: 4, Vernon Place, London, W.C.I. 



Ctntracttrs t* the Admiralty, WarOJfiee, H.M. Office */ Warks, CtltMat Gtrjer-.-.tnoits, L.C.C.&c. 



on SCIENTIFIC, 

 TECHNICAL, 

 EDUCATIONAL, 



Second-Hand at Half Prices. «™.? AL V? m i 



ALLother subjects, 

 New, at Discount Prices. and for all Exams 



Catalogues Free. State Wants. Books sent on approval. 

 BOOKS BOUOHT: Best Prices Qlvea. 



Wo & G. FOYLLE, 121-123 Charing Crest Rd., London, W.C2. 



•« 



I 



J 



Scale of Charges for Advertising in "Science Progress." 



1 Insertion. 4 Insertions. 



Whole Pace -£330- £2 10 eaoh, 



Half Pace 1 15 o - i • o 



Quarter Pace - - Oil 6 - 14 



Eighth Pace - 10 0- 080 



ALL NET. 

 All applications for apaco to bo maio to 





or to 



Mr. JOHN MURRAY, IOt, Albemarle Street, W.I, 

 Mr. H. A. COLLINS, 12, llrdhuret Road, Croydon 



