BIRKBECK COLLEGE, 



Breams Buildings, 



Chancery Lane, E.C 4. 

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

 UNIVERSITY OP LONDON In the Faculties of 



SCIENCE AND ARTS (PASS AND HONOURS) 



under RECOGNISED TEACHERS of the University. 

 SCIENCE.— Chemistry, Physics, Mathematics (Pure and Applied), Botany, Zeoleiy, Ueeiegy. 

 ARTS— Latin, Greek, English, French, German, Italian, History, icofras by, 

 Logic, Economics, Mathematics (Pure and Applied). 



Evening Courses lor the Otgrees In Economics and Laws. Geography Diploma and Matriculation. 

 POST-GRADUATE AND RE8EARCH WORK. 



Sessional Faesi Day: SCIENCE - *'* tOs. ; ARTS. £W fOs. ; 

 sessional roes^ Eyening . SC IENCE. ARTS, or ECONOMICS. £5 5s. 



Prospectus free, Calendar 6d. (by post Sd.\ on application to the Secretary. 



DUSTLESS ROOMS 



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



FLORIGENE 



(A Regd. Nam« 



suggested by 

 FLOOR-HYGIENE.) 



CO 



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



ALLAYS the DUST and DIRT for » to u months, according to traffic, mot 



only during each Sweeping (wthout sprinkling of any kind) but also throughout 



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



o_ 

 o- 

 < 



T nese sanitary and labour-saving advantages are NOT attained by s weeplng-pe wd en or any ether method. 



Send ftr Particulars, Medical Reftrtt, and Testimonials , to the Soli Manufacturers t 



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



Contractors to the Admiralty, War Office, H.M. Office of Works, Colonial Governments, L.C.C.Grc, 



I 



I 



Second-Hand at Half Prices. 

 New Books also supplied. 



Catalogues Free. State Wants. 



BOOKS BOUGHT. • Beat Prices Given 



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



on SCIENTIFIC, 

 TECHNICAL, 

 EDUCATIONAL, 

 MEDICAL, and 

 ALL other subjects, 

 and for all Exams. 

 Books sent on approval. 



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Scale of Charges for Advertising in " Science Progress." 



Whole Page 

 Half Page 

 Quarter Page 

 Eighth Page 



1 Ineertien. 4 Insertions. 



£4 4 - • £3 15 O each. 



250 - - 200 



150- - 120 



14 - - 12 



ALL NET. 



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Applications for space to b* made to 



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

 or to 



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



( H) 



