CONTENTS:-Our Boys at School-Mysteries and Moralities-Our Household Insects-Notes on Mapping-Statistics of Great CountriesWatchmaking at the Inventions Exhibition-Gossip-Face of the Sky-Correspondence-Chess. KNOWLED AN ILLUSTRATED MICROSCOPE OBJECTIVES and MIOROSCOPES, W. WRAY, Optician, PHOTOGRAPHY.Practical Lessons given free to the purchaser of Stanley's Complete Sets of Apparatus. Customer's own portrait taken by the Camera and Lens he purchases, thereby enabling him to see what work it will do. Complete sets for Dry-plate process, 50s., 638., 80s., £5. 10s., £7. 10s., and upwards. Machine-made CAMERAS, superior to hand make, manufactured at own works, suitable for export. "PHOTOGRAPHY MADE EASY." New NE Edition, post free, 7 stamps. EW PATENT INSTANTANEOUS SHUTTER, giving most rapid or prolonged exposures. Entirely under control. Smallest made. IMPROVED SENSITISED PAPER. Per sheet 1s., or ready cut, sufficient for 42 O.D.V., 15 Cabinets, or 10 half-plates, 1s. 1d., post free. EW "RAPID" POSITIVE PAPER, 18. 2d. ; 24 cabinets, 1s. 8d.; or whole sheet, Is. 2d. New Illustrated Price list post free 1 stamp. Arranged by H. G. MADAN, M.A. Large 4to., Text-Book of Botany, Morpho- versity of Wurzburg. Second Edition. Edited, VEGETATIVE ORGANS of the PHANERO- "Must call for enthusiastic praise from all compe- DR. MARTINEAU'S NEW BOOK. "A more important contribution to the science of London: HENRY FROWDE, Clarendon Press 10 New Classified List of Objects, including the recently acquired stock of Mr. WHEELER, late of Holloway. Illustrated Catalogue of Microscopes and Apparatus. Either of the above sent post free to any part of the world on application to W. WATSON & SONS, Opticians to Her Majesty's Government, 313, High Holborn, London, W.C. Established 1837. MEMORY & SUCCESS. WE HAT IS IT THAT contributes greatly to success? WHAT IS IT THAT is indispensable to every WE Student, Speaker, Professional and Business WHAT IS IT THAT every one can obtain from Prospectus post free, giving opinions of Mr. RICHARD A. PROCTOR, Dr. ANDREW WILSON, and others who have studied the system. Great inducements to Correspondence Classes in all parts of the world. Day and Evening Classes in "Never Forgetting," and for Cure of "Mind-Wandering." PROFESSOR LOISETTE, 37, New Oxford-street, London. |