PHOTOGRAPHIC PAPER.--Negative and Positive Papers of Whatman's, Turner's, Sanford's, and Canson Frère's make. Waxed-Paper for Le Grey's Process. Iodized and Sensitive Paper for every kind of Photography. Sold by JOHN SANFORD, Photographic Stationer, Aldine Chambers, 13. Paternoster Row, London. * * * * * GENERAL CORNWALLIS. An original Portrait for Sale, by COTES. Address H. W., care of Samuel Edwards, Esq., 16. Harpur Street, Red Lion Square. * * * * * CHEAP BOOKS.--Just Published, a Catalogue of Second-Hand Books (many curious), on Sale for Ready Money, by J. CROZIER. No. 5. New Turnstile (near Lincoln's Inn Fields), Holborn. * * * * * ARCHER'S PHOTOGRAPHIC CAMERA.--This very useful apparatus for working the various Photographic Processes in the open air, without the aid of any tent or dark chamber, can only be obtained of MR. ARCHER, 105. Great Russell Street, Bloomsbury. These Cameras are made either folding or otherwise. Also a portable folding Tripod Stand, so constructed that the Camera can be raised or lowered, at pleasure. Achromatic Fluid and other Lenses from 2l. 2s. to 6l. 6s. Iodized Collodion, 10s. per lb., 9d. per oz.; and all Chemicals of the best quality. Practical Instruction given in the Art. * * * * * TO PHOTOGRAPHERS.--Pure Chemicals, with every requisite for the practice of photography, according to the instructions of Hunt, Le Grey, Brébisson, &c. &c., may be obtained of WILLIAM BOLTON, Manufacturer of pure chemicals for Photographic and other purposes. Lists of Prices to be had on application. 146. Holborn Bars. * * * * * RALPH'S SERMON PAPER,--This approved Paper is particularly deserving the notice of the Clergy, as, from its particular form (each page measuring 5¾ by 9 inches), it will contain more matter than the size in ordinary use: and, from the width being narrower, is much more easy to read: adapted for expeditious writing with either the quill or metallic pen; price 5s. per ream. Sample on application. ENVELOPE PAPER.--To identify the contents with the address and postmark, important in all business communications; it admits of three clear pages (each measuring 5½ by 8 inches), for correspondence, it saves time and is more economical. Price 9s. 6d. per ream. F. W. RALPH Manufacturing Stationer, 36. Throgmorton Street, Bank. * * * * *