C. W. (Bradford). _We can promise that if the book in question is obtained, our Correspondent shall have the reading of it._ PHOTOGRAPHIC CORRESPONDENCE. _We hope next week to lay before our readers_ DR. DIAMOND'_s process for printing on albumenized paper. We shall also reply to several Photographic querists._ _A few complete sets of_ "NOTES AND QUERIES," Vols. i. _to_ vii., _price Three Guineas and a Half, may now be had; for which early application is desirable._ "NOTES AND QUERIES" _is published at noon on Friday, so that the Country Booksellers may receive Copies in that night's parcels, and deliver them to their Subscribers on the Saturday._ * * * * * {283} INDIGESTION, CONSTIPATION, NERVOUSNESS, &c.--BARRY, DU BARRY & CO.'S HEALTH-RESTORING FOOD for INVALIDS and INFANTS. * * * * * THE REVALENTA ARABICA FOOD, the only natural, pleasant, and effectual remedy (without medicine, purging, inconvenience, or expense, as it saves fifty times its cost in other remedies) for nervous, stomachic, intestinal, liver and bilious complaints, however deeply rooted, dyspepsia (indigestion), habitual constipation, diarrhoea, acidity, heartburn, flatulency, oppression, distension, palpitation, eruption of the skin, rheumatism, gout, dropsy, sickness at the stomach during pregnancy, at sea, and under all other circumstances, debility in the aged as well as infants, fits, spasms, cramps, paralysis, &c. _A few out of 50,000 Cures:--_ Cure, No. 71, of dyspepsia; from the Right Hon. the Lord Stuart de Decies:--"I have derived considerable benefits from your Revalenta Arabica Food, and consider it due to yourselves and the public to authorise the publication of these lines.--STUART DE DECIES." Cure, No. 49,832:--"Fifty years' indescribable agony from dyspepsia, nervousness, asthma, cough, constipation, flatulency, spasms, sickness at the stomach, and vomitings have been removed by Du Barry's excellent food.--MARIA JOLLY, Wortham Ling, near Diss, Norfolk." Cure, No. 180:--"Twenty-five years' nervousness, constipation, indigestion, and debility, from which I had suffered great misery, and which no medicine could remove or relieve, have been effectually cured by Du Barry's food in a very short time.--W. R. REEVES, Pool Anthony, Tiverton." Cure, No. 4,208:--"Eight years' dyspepsia, nervousness, debility, with cramps, spasms, and nausea, for which my servant had consulted the advice of many, have been effectually removed by Du Barry's delicious food in a very short time. I shall be happy to answer any inquiries.--REV. JOHN W. FLAVELL, Ridlington Rectory, Norfolk." _Dr. Wurzer's Testimonial._ "Bonn, July 19. 1852.