KNOWLEDGE. 



October, 1910. 



CITY OF LONDON COLLEGE. 



ACTING IN CONJUNCTION WITH THE LONDON CHAMBER OF COMMERCE. 



WHITE ST., & ROPEMAKER ST., MOORFIELDS, E.C. 



(Near Moorgate and Liverpool Street Stations). 

 rRlNClPAL-SIDNEV HUMPEIRIES B.A., LI,.B. (Cantab.) 



EVENING CLASSES IN SCIENCE. Well equipped 

 LABORATORIES for Practical Work in CHEMISTRY, 

 BOTANY, GEOLOGY, and all branches of PHYSICS. 



Special Courses for Conjoint Board, Pharmaceutical and other examinations. 

 Classes are also held in all Commercial Subjects, in Languages, and Literature. 

 .Art Studio. All Classes are open to both sexes. 



SATURDAY CLASSES for Chemistry and Physics. 



DAY MODERN SCHOOL. Preparation for a COMMERCIAL or BUSINESS 

 career or the CIVIL SERVICE. 



Prospectuses, and all other information, gratis on application. 



DAVID SAVAGE, Scrrg/ary. 



BIRKBECK COLLEGE, 



BREAMS BUILDINGS, CHANCERY LANE, E.C. 



COURSES OF STL'DV under RecuSnised Teachers of the University of 

 London lor Degrees in Science, Arts and Economics. 



(A. MCK.ENZIE, Ph.D., D.Sc, M..-\. ; H. Wken 

 I Ph.D., M..A., D.Sc. ; G. W. Clough, B.Sc. 

 /A. Grtkkiths, D.Sc; D. Owen, U.A., B.Sc; 

 ( B.W. Clack, B.Sc. ; H. R. Nettleton, B.Sc. 

 H C. I. Frasek, D.Sc. ; E. Lee, A.R.C.S. 

 H. W. Unthank, B.A., B..Sc. 

 J. W. Evans, D.Sc. ; A. Morley Davies, D.Sc. 

 E. H. Smart. jM.A. ; C. V. Coates, M.A. 

 A. Wright. M.A, ; G. S. Robertson, M.A. 

 H. LOBBAN, I\I..A. 

 H. G. CiRATTAN. B.A. 



K. Kastner, B.es.L. ; J. S. Westlake, M..\. 



BiTHELL, M.A. 



F. Unstead, M.A. 

 Seccombe, Si. a. 

 Armitage.Smith, M.A., D.LIt. 

 C. Rankin, M..A. 

 H. J. HCRST, M.A. 

 Assaying. IMetallupgy. Mining. G. Patchin, .^.R.S.M. 



r:\-s/;rtus /•■<;•, Ca/fiufar 3,1 (/i.'st /m- 7>d). from the Secretary. 



Chemistry 



Physics 



Botany 



Zoology 



Geology 



Mathematics 



Classics 



English Literature 



Language 

 French 

 German 

 Geography .. 

 History 

 Logic 1 



Economics ^ 

 British Constitution. G. 



(^ 



ATMOSPHERIC 



ELECTRicnXsg 



Radium collectopT^ 



PROV. PATENT 



ALWAYS WORKING, WET OR DRY. 

 From House-Window or Lawn. 



FINE LECTURE EXPERIMENT. 



A FASCINATING STUDY. HUNDREDS OF VOLTS. 



As shown working Royal Institution Conversazione. 



Complete Outfit (Rod, Radium Collector, and 



Electroscope), Price Two Guineas. 



Radium Collector only, 25 Shillings. 



F. HARRISON GLEW, 156, CLAPHAM RD., LONDON. 



•— FLATTERS, MILBORNE — s 

 I AND McKEGHNIE, Ltd., j 



I Scientific Photographers & Microscopists I 



Scientific Photographers & Microscopists 



Microscopic and Photomicrographic work in every branch of Nature 

 and Commerce. Preparers of 'i'extile Fibres and Fabrics, Paper and 

 Paper-Pulps, I'ic., for Microscopic anJ Photomicrographic Analysis. 



Lantern and Microscopical Slides in every Branch of Natural 



Science a Speciality. 



All Requisites for Mounting and for Pond-life Work. 



CATALOGUES ON APPLICATION. 



"THE MICROLOGIST.'* Is. 6d. Quarterly. 



I 

 I 



\ ABRAHAM FLATTERS, F.R.M.S., \ 



I specialist in '\^Iicro-TechHolo.t^v" to the Manchester A 



Cliauiher oi Co'iiimoce, I 



16, 18, & 20, CHURCH RD., LONGSIGHT, I 



• MANCHESTER. S 





J. H. STEWARD'S TELESCOPES 



For Sportsmen, Travellers, or Home use. 



SOLE MAKER ' ' •" 



J.H. STEWARD 

 LONDON. 



THE LORD BURY TELESCOPE supplied for many years for use at 

 home and in the Colonies. 



Size, Closed, lo inches ; extended, 31 inches. Diameter of Object GKass, ij inches. 



Magnifyini; power 25 diameters, increasing by pancralic tube to 35 diameters. 



Angular Field 1-5°. Lateral Field at 1,000 yds.=26'2 yds. 



Will show a Flagstaff at 22 miles. I Will make out Wild Fowl at 16 miles. 



,, read name of Lightship at 9 miles. | ,, show lime by Church Clock .at 6 miles. 



Prices— The LORD BURY Telescope, in Bronzed Brass, weight 2 lb. £4 4s. 

 Ditto in Light Metal „ I lb. 6 ozs. £5 15s. 



Including 5ling Cases and sent post free on receipt of remittance. 



ILLUSTRATED CATALOGUE (PART I) POST FREE. 



BAROGRAPH 



For giving a continuous record of 

 atmospheric pressure. Best finish 

 and best movement. 



Size ... 8J X 5 X 5J. 

 With bottle of ink and 



charts for one year... £5 5 O 



Simple Form of Barograph £3 15 O 



W^ w 



ILLUSTRATED CATALOGUE 



(PART II) POST FREE. 



J. H. STEWARD, ^•''p'o^rg* 



406, STRAND; 457, WEST STRAND, LONDON. 



to the British and 

 Governments, 



WATKINS and 

 DONCASTER, 



NATURALISTS 



and Manufacturers of 



Cabinets and 

 Apparatus :: 



- FOR - 



COLLECTORS OF INSECTS. BIRDS' 



EGGS AND SKINS. MINERALS, 



PLANTS, Etc. 



SPECIAL SHOW-ROOM FOR CABINETS. 



JV.B. — For Excellence and Superiority oj Calinets 

 and Apparatus references are permitted to distin- 

 guished Patrons, Museums, Colleges, 6^c. 



A LARGE STOCK OF INSECTS, 

 AND BIRDS' EOaS AND SKINS. 



SPECIALITY.— Objects for Nature 

 Study, Drawing Classes, &c. 



Birds, Mammals, etc., Preserved and Mounted by 

 First-class Workmen true to Nature. 



(V All Bool<s and Publications on Natural 

 History supplied. 



36, Strand, London, W.C. 



(Five Doors from Charing Cross). 

 Vm- NBW CATALOGUE POST FREE. 



