BIRKBEGK COLLEGE, 



Breams Buildings, 



Chancery Lane, E.C 4. 



COURSES OF STUDY (Day and Evening) for Degrees of the 

 UNIVERSITY OF LONDON in the Faculties of 



SCIENCE AND ARTS (PASS AND HONOURS) 



under RECOGNISED TEACHERS of the University. 

 8CIENCE. -Chemistry, Physics, Mathematics (Pure and Applied), Botany, Zoology, Geology. 

 ARTS.— Latin, Grexk, English, French, German, Italian, History, Geography, 

 Logic, Economics, Mathematics (Pure and Applied). 



Evening Course* for the Degrees In Economics and Laws. Geography Diploma and Matriculation. 

 POST-GRADUATE AND RESEARCH WORK. 



Sessional Faaal Da ' : SCIENCE - £1? 1*>s.; arts, £W Ws. ; 

 sessional reeSy Evenjng . SC IENCE, ARTS, or ECONOMICS, £5 5s. 



Prospectus free, Calendar 6d. (by post 8rf.), on application to the Secretary. 



DUSTLESS ROOMS 



On all Laboratory, Library, Museum, School, &c. , Floors and Linoleums of every description 



iFLORIGENE 



(A Regd. Name 



suggested by 

 FLOOR-HYGIENE.) 



to 



•a 



It is IMPORTANT TO NOTE that ONE APPLICATION of " Florigene " 



ALLAV6 the DuST and DIRT for z to iz months, according: to traffic, not 



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



all the intervening periods— which is even of greater hygienic importance. 



a. 



a. 

 < 



Those sanitary and labour-saving advantages are NOT attained by sweeping-powders or any other method. 



Send for Particulars, Medical Kef oris, and Testimonials, t» the Sole Manufacturers : 



THE "DUST ALLAYER" CO., 4, Vernon Place, Bloomsbury, London, W.C.1. 



( ouiractors to the A dmiralty, War Office, H.M. Office of Works, Colonial Governtnents. L.C.C., &-c. 



I 



I 



Second-Hand at Half Prices. 

 New Books also supplied. 



Catalogues Free. 



State Wants. 



on SCIENTIFIC, 

 TECHNICAL, 

 EDUCATIONAL, 

 MEDICAL, and 



ALL other subjects, 

 and for all Exams. 



Books sent on approval. 



BOOKS BOUGHT . Best Prices Given. 



W. & G. FOYLE, 121-123 Charing Cross Rd., London, W.C.2. 



l 



Scale of Charges for Advertising in " Science Progress." 



Whole Page 

 Half Page 

 Quarter Page 

 Eighth Page 



IS 



1 Insertion. 4 Insertions. 



£4 4 - - £3 15 O each. 



250- - 200 



15 - • 12 



O 14 O - - O 12 O 



ALL NET. 



Applications for space to be made to 



Mr. JOHN MURRAY, 50a, Albemarle Street, W.I, 



or to 



Mr. H. A. COLLINS, 32, Birdhurst Road, Croydon. 



( ii ) 



