Also every description of Apparatus, Chemicals, &c. &c. used in this beautiful Art.--123. and 121. Newgate Street. * * * * * PHOTOGRAPHIC CAMERAS.--OTTEWILL'S REGISTERED DOUBLE-BODIED FOLDING CAMERA, is superior to every other form of Camera, for the Photographic Tourist, from its capability of Elongation or Contraction to any Focal Adjustment, its Portability, and its adaptation for taking either Views or Portraits.--The Trade supplied. Every Description of Camera, or Slides, Tripod Stands, Printing Frames, &c., may be obtained at his MANUFACTORY, Charlotte Terrace, Barnsbury Road, Islington. New Inventions, Models, &c., made to order or from Drawings. * * * * * PHOTOGRAPHIC APPARATUS, MATERIALS, and PURE CHEMICAL PREPARATIONS. KNIGHT & SONS' Illustrated Catalogue, containing Description and Price of the best forms of Cameras and other Apparatus. Voightlander and Son's Lenses for Portraits and Views, together with the various Materials, and pure Chemical Preparations required in practising the Photographic Art. Forwarded free on receipt of Six Postage Stamps. Instructions given in every branch of the Art. An extensive Collection of Stereoscopic and other Photographic Specimens. GEORGE KNIGHT & SONS, Foster Lane, London. * * * * * Valuable Illustrated Books at Reduced Prices. ROBERTS' HOLY LAND. 250 Plates. 16l. 16s. Published at 41 guineas. DIGBY WYATT'S INDUSTRIAL ARTS OF THE NINETEENTH CENTURY. 160 Plates. 2 vols. folio. half-bound morocco. 10l. 10s. Published at 17l. 17s. DIGBY WYATT'S METAL WORK, and its ARTISTIC DESIGN. 56 Plates. Folio, half-bound morocco, 3l. 3s. Published at 6l. 6s. London: GEORGE BELL, 186. Fleet Street. * * * * * Now ready, price 25s., Second Edition, revised and corrected. Dedicated by Special Permission to THE (LATE) ARCHBISHOP OF CANTERBURY. PSALMS AND HYMNS FOR THE SERVICE OF THE CHURCH. The words selected by the Very Rev. H. H. MILMAN, D.D., Dean of St. Paul's. The Music arranged for Four Voices, but applicable also to Two or One, including Chants for the Services, Responses to the Commandments, and a Concise SYSTEM OF CHANTING, by J. B. SALE, Musical Instructor and Organist to Her Majesty. 4to., neat, in morocco cloth, price 25s. To be had of Mr. J. B. SALE, 21. Holywell Street, Millbank, Westminster, on the receipt of a Post-office Order for that amount: and, by order, of the principal Booksellers and Music Warehouses. "A great advance on the works we have hitherto had, connected with our Church and Cathedral Service."--_Times._ "A collection of Psalm Tunes certainly unequalled in this country."--_Literary Gazette._ "One of the best collections of tunes which we have yet seen. Well merits the distinguished patronage under which it appears."--_Musical World._