NOTES AND QUERIES. 



[No. 258. 



XYLO- IODIDE OF SILVER, exclusively used at all the Pho- 

 toaraphic Establishments. — The superiority of this preparation is now universally ac- 

 knowledged. Testimonials from the best Photographers and principal scientific men of the day, 

 warrant the assertion, that hitherto no preparation has been discovered which produces 

 uniformly such perfect pictures, combined with the greatest rapidity of action. In all cases 

 where a quantity is required, the two solutions may be liad at Wholesale price in separate 

 BotUes, in which state it may be kept for years, and Exported to any Climate. Full instructions 

 for use. 



Caution. — Each Bottle is Stamped with a Red Label bearing my name, RICHARD W. 

 THOMAS, Chemist, 10. Fall Mall, to counterfeit which is felony. 



CYANOGEN SOAP : for removing all kinds of Photographic Stains. 



The Genuine is made only by the Inventor, and is secured with a Red Isabel bearing this Signature 

 and Address, KICHARD W. THOMAS. CHEMIST, 10. PALL MALL, Manufacturer of Pure 

 Photograi liic Chemicals : and maybe procurtd of all respectable Chemists, in Pots at Is., 2s., 

 and 3*. 6d. each, through MESSRS. EDWARDS, 67. St. Paul's Churchyard; and MESSRS. 

 BARCLAY & CO., 95. Farringdon Street, Wholesale Agents. 



Just published. 



PRACTICAL PHOTOGRA- 

 PHY on GLASS and PAPER, a Manual 

 containing simple directions for the production 

 of FORTH A IT Sand VIEWS by the agency 

 of Light, ircluding the COLLODION, AL- 

 BUMEN, WAXED PAPER and POSITIVE 

 PAPER Processes, by CHARLES A. LONG. 

 Price Is. ; per Post, Is. 6d. 



Published by BLAND & LONG, Opticians, 

 Philosophical and Fhotographical Instru- 

 ment Makers, and Operative Chemists, 153. 

 Fleet Street, London. 



COLLODION PORTRAITS 

 AND VIEWS obtained with the greatest 

 ease anu certainty by using BLAND & 

 LONG'S preparation of Soluble Cotton ; cer- 

 tainty and unitormity of action over a length- 

 ened period, combined with the most faithful 

 rendering ol the half-tones, constitute this a 

 most valuable agent in the hands of the pho- 

 tographer. 



Albumenized paper, for prmtmg from glass 

 or paper negatives, giving a minuteness of de- 

 tail imattaiued by any other method, 5s. per 

 Quire. 



Waxed and Iodized Papers of tried quality. 



Instruction in the Processes. 



BLAND m I-ONG, Opticians and Fhotogra- 

 phical Instiument Makers, and Operative 

 Chemists, 153. i'leet Street, London. 

 The Pneumatic Plate-holder for Collodion 



Plates. 



»•« Catalogues sent on application. 



THE SIGHT preserved by the 

 Use ot SPECTACLES adapted to suit 

 every variety ot Vision by means of SMEE'S 

 OPTOMEIEK, which effectually prevents 

 Injury to tlic Eyes from the Selection of Im- 

 proper Glasses, and is extens.vely employed by 



BLAND Si LONG, Opticians, 153. Fleet 

 Street, London. 



DISSOLUTION OF part- 

 nership. — EDWARD GEORGE 

 WOOD, Oi.tican, &c., late of 123. and 121. 

 Newgate Street, begs to invite attention to 

 his New Eotublishment, No. 117. Cheapside, 

 London. , . , „, 



Photo,;raphii: Cameras and Apparatus, Che- 

 micals, &c. : Spectacles, Opera Glasses, Tele- 

 scopes and Race Glasses, Barometers, Thermo- 

 meters, Hj Ui (.meters, &c. i Philosophical and 

 Chemicul Apparatus. AH kinds of Photogra- 

 phic Papers, plain and prepared. Photographic 

 Papers ana Sol utions prepared according to any 

 given formula. 



MR. T. L. MERRITT'S IM- 

 PROVED CAMERA, for the CALO- 

 XYPE ana COLLODION PROCESSES ; by 

 which trom Twelve to Twenty Views, &c., may 

 be taken in S'Uccession, and then dropped into 

 a Receptacle provided for them, without pos- 

 sibility of injury from light. 



As ntitliei- Tent, Covering, nor Screen is 

 required, out-ol-door Practice is thus rendered 

 ,iust as convenient and pleasant as when oper- 

 ating in a Kuom. 



Maidstone, Auk. 21. 18M. 



PHOTOGRAPHIC CAMERAS. 



OTTEWILL AND MORGAN'S 



Manufactory, 24. & 25. Charlotte Terrace, 

 Caledonian Road, Islington, 



OTTEWILL'S Registered Double Body 

 Folding Camera, adapted for Landscapes or 

 Portraits, may be had of A ROSS, Feather- 

 stone Buildings, Holbom ; the Photographic 

 Institution, Bond Street ; and at the Manu- 

 factory as above, where every description of 

 Cameras, Slides, and Tripods may be had. The 

 Trade supplied. 



TMPROVEMENT IN COLLO- 



1 DION.- J. B. HOCKIN & CO., Chemists, 

 289. Strand, have, by an improved mode of 

 Iodizing, succeeded in producing a Collodion 

 equal, they may say sujierior. in sensitiveness 

 and density of Negative, to any other hitherto 

 published ; without diminishing the keeping 

 properties and appreciation of half-tint for 

 which their manufacture has been esteemed. 



Apparatus, pure Chemicals, and all the re- 

 quirements for the practice of Photography. 

 Instruction in the Art. 



THE COLLODION AND PO- 

 SITIVE PAPER PROCESS. By J. B. 

 HOCKIN. Price Is., per Pokt, U. 2d. 



PHOTOGRAPHY. — HORNE 



I & CO.'S Iodized Collodion, for obtaining 

 Instantaneous Views, and Portraits in from 

 three to thirty seconds, according to light. 



Portraits obtained by the above, for delicscy 

 of detail, rival the choicest Daguerreotypes, 

 sperimens of which may be seen at their Esta- 

 blishment. 



Also every description of Apparatus, Che- 

 micals, &c. ftc. used in this beautiful Art.— 

 123. and 121. Newgate Street. 



WHOLESALE PHOTOGRA- 



}\ PHIC AND OPTICAL WARE- 

 HOUSE. 



J. SOLOMON, 22. Red Lion Square, London. 

 Depot for the Pocket Water Filter. 



A L L E N' S ILLUSTRA TED 



xV CATALOGUE, containing Size, Price, 

 and Description of upwards of 100 articles, 

 consisting of 



PORTMANTEAUS,TRAVELLING-BAGS, 

 Ladies' Portmanteaus, 



DESPATCH-BOXES, WRITING-DESKS, 

 DRESSING CASSES, and other travelling re- 

 quisites. Gratis on application, or sent tree by 

 Post on receipt of Two Stamps. 



MESSRS. ALLEN'S registered Despatch- 

 box and Writing-desk, their Travelling-bag 

 with the opening as large as the bag, and the 

 new Portmanteau containing four compart- 

 ments, are undoubtedly the best articles ot the 

 kind ever produced. 



J. ■\^^ & T. ALLEN. 18 * 22. Wc»t Strand. 



50,000 CUBES WITHOUT MEDICINE. 



DU BARRY'S DELICIOUS 

 REVALENTA ARABICA FOOD 

 CURES indigestion (dyspepsia), constipation, 

 and diarrhoea, dysentery, nervousness, bilious- 

 ness, and liver comolaints, flatulency, disten- 

 sion, acidity, heartburn, palpitation of the 

 heart, nervous headache?, deafness, noises in 

 the head and ears, pains in almost every part 

 of the body, tic douloureux, faceaehc, clironic 

 inflammation, cancer and ulceration of the 

 stomach, pains at the pit of the stomach and 

 between the shoulders, erysipelas, eruptions of 

 the skin, biles and carbuncles, impurities and 

 poverty of the blood, scrofula, cough, asthma> 

 consumption, dropsy, rheumatism, gout, 

 nausea and sickness during pregnancy, after 

 eating, or at sea, low spirits, spasms, cramps, 

 epileptic fits, spleen, general debility, inquie- 

 tude, sleeplessness, involuntary blushing, pa- 

 ralysis, tremors, dislike to soi;iety, unfitness for 

 study, loss of memory, delusions, vertigo, blood 

 to the head, exhaustion, melancholy, ground- 

 less fear, indecision, wretchedness, thoughts of 

 self-destruction, and many other complaints. 

 It, is, moreover, the best food for inf nts and 

 invalids generally, as it never turns acid on 

 the weakest stomach, nor interferes with a 

 good liberal diet, but imparts a healtliy relish 

 for lunch and dinner, and restores the faculty 

 of digestion, and nervous and muscularenergy 

 to the most enfeebled. In whooping cough, 

 measles, small-pox, and chicken or wind pox, 

 it renders all medicine superfluous by re- 

 moving all inflammatory and feverish symp- 

 toms. 



Important Caotiox against the fearful 

 dangers of spurious imitations : — The Vice- 

 Chancellor Sir William Page Wood granted 

 an Injunction on March 10, 18.54. against 

 Alfred Hooper Nevill. for imitating "Du 

 Barry's Revalenta Arabica Food." 



BARRY, DU BARRY, & CO., 77. Regent 

 Street, London. 



A fetv out o/ 50,000 Cures: 



Cure No. 47.121 :— " Miss Elizabeth Jacobs, 

 of Nazing Vicarage, Waltham Cross, Herts r 

 a cure of extreme nervousness, indigestion, 

 gatherings, low spirits, and nervous fancies." 



Cure No. 48414 : — " Miss Elizabeth Yeoman, 

 Gateaere near Liverpool : a cure of ten years* 

 dyspepsia, and all the horrors of nervous irri- 

 tability." 



Cure No. 3906 : " Thirteen years' cough, 

 indigestion, and general debility, have been 

 removed by Du Barry's excellent Revalent* 

 Ai abica Food."— Jamks Fobteb, Athol Street, 

 Perth. 



Cure 48.615: — "For the last ten years I 

 have been suffering from dyspepsia, headaches, 

 nervousness, low spirit.'*, sleeplessness, and de- 

 lusions, and swallowed an incrtdibic amount 

 of medicine without relief. I am hnpi y to say 

 that your food has cured me, and I am now 

 enjoying better health than I have had for 

 many years past." — J. S. Newton, Plymouth, 

 May 9th, 1851. 



No. 37,403, Samuel Laxton, Esq., a cure of 

 two years' diarrhoea. Mr. William Martin, a 

 cure of eight years' daily vomiting. Richard 

 Willoughby, Esq., a clue of miiny years' bi- 

 liousness. 



No. 52,418, Dr. Gries, Magdeburg, record- 

 ing the cure of h-s wife from pulmonary con- 

 sumption, with ni^ht sweats and ulcerated 

 lungs, which had resisted all medicints, and 

 appeared a hopeless cas:-. No. 5i,42 1 , Dr. Gat- 

 tiker, Zurich ; cure of cancer of tlie stomach 

 and fearfully d'stressing vomitiigs. habitual 

 flatulency, and cholic. All 'he above parties 

 will be happy to answer any inquiries. 



In canisters, suitably packed for all cli- 

 mates, and with full instructions — lib., 2». 

 9d.i 2lb., -IS. M. ; 51b., Us. ; 121b.,22». ; super- 

 refined, lib , fis., ; 21b.. lis. ! 5lb,?2s. ; lOlb., 

 3;«. Tlie lolb. and 121b. carriage fre^, ( n post- 

 office order. Barry, Du Barry, and Co., 77. 

 Regent Street, London ; Fortnum, Mason, & 

 Co., purveyors to Her Majesty, Piccidilly : 

 also at 60. Gracechuich Street ; 330. Strand, of 

 Barclay, Edwards, Sutton, Sanger, Hannay, 

 Newberry, und may be ordered throuffh all re- 

 spectable Booksellers, Grocers, and Chemists. 



