Specimens of Rates of Premium for Assuring 100l., with a Share in three-fourths of the Profits:-- Age £ s. d. 17 1 14 4 22 1 18 8 27 2 4 5 32 2 10 8 37 2 18 6 42 3 8 2 ARTHUR SCRATCHLEY, M.A., F.R.A.S., Actuary. Now ready, price 10s. 6d., Second Edition, with material additions, INDUSTRIAL INVESTMENT and EMIGRATION: being a TREATISE on BENEFIT BUILDING SOCIETIES, and on the General Principles of Land Investment, exemplified in the Cases of Freehold Land Societies, Building Companies, &c. With a Mathematical Appendix on Compound Interest and Life Assurance. By ARTHUR SCRATCHLEY, M.A., Actuary to the Western Life Assurance Society, 3. Parliament Street, London. * * * * * BENNETT'S MODEL WATCH, as shown at the GREAT EXHIBITION. No. 1. Class X., in Gold and Silver Cases, in five qualities, and adapted to all Climates, may now be had at the MANUFACTORY, 65. CHEAPSIDE. Superior Gold London-made Patent Levers, 17, 15, and 12 guineas. Ditto, in Silver Cases, 8, 6, and 4 guineas. First-rate Geneva Levers, in Gold Cases, 12, 10, and 8 guineas. Ditto, in Silver Cases, 8, 6, and 5 guineas. Superior Lever, with Chronometer Balance, Gold, 27, 23, and 19 guineas. Bennett's Pocket Chronometer, Gold, 50 guineas; Silver, 40 guineas. Every Watch skilfully examined, timed, and its performance guaranteed. Barometers, 2l., 3l., and 4l. Thermometers from 1s. each. BENNETT, Watch, Clock and Instrument Maker to the Royal Observatory, the Board of Ordnance, the Admiralty, and the Queen, 65. CHEAPSIDE. * * * * * TO PHOTOGRAPHERS.--MR. PHILIP DELAMOTTE begs to announce that he has now made arrangements for printing Calotypes in large or small quantities, either from Paper or Glass Negatives. Gentlemen who are desirous of having good impressions of their works, may see specimens of Mr. Delamotte's Printing at his own residence, 38. Chepstow Place, Bayswater, or at MR. GEORGE BELL'S, 186. Fleet Street. * * * * * PHOTOGRAPHY.--The AMMONIO-IODIDE OF SILVER in Collodion (price 9d. per oz.), prepared by DELATOUCHE & CO., Photographic and Operative Chemists, 147. Oxford Street, has now stood the test of upwards of Twelve months' constant use; and for taking Portraits or Views on Glass, cannot be surpassed in the beautiful results it produces. MESSRS. DELATOUCHE & CO. supply Apparatus with the most recent Improvements, PURE CHEMICALS, PREPARED SENSITIVE PAPERS, and every Article connected with Photography on Paper or Glass. Paintings, Engravings, and Works of Art copied in their Glass Room, at Moderate Charges. Instruction given in the Art. See HENNAH'S new work on the Collodion Process, price 1s., by post 1s. 6d. * * * * *