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Notes. Mr. Walter Woodbury has gone to Brussels to start his Stannotype process. Mr. W. J. Chadwick has resigned the appointment of honorary secretary to the Manchester Photographic Society. * The Berlin Retouching School, and the Leipsic Retouching School, both appear to be flourishing; the latter has recently moved to more extensive premises. The British Association holds its meeting this year at Southampton, on September 9th ; the president-elect is Professor Cayley, of Cambridge. Next year, if all goes well, the Association will meet at Montreal; at any rate, upwards of four hundred members have announced their intention of being present, if the meeting comes off on the other side of the Atlantic. “ All is fish that comes to the net,” has been the motto of the directors of the Fisheries Exhibition, who have thus run the risk of making an exceedingly interesting collection appear ridiculous occasionally. Here is a lot of " odd fish ” that we saw among other things last Saturday during a stroll round the place after it had been officially opened. Lancaster rifles, coloursand varnishes, umbrellas and sticks, Browning’s patent stone solution and indestructible paint, Busch’s gas governors, saving 30 per cent, of gas, we are assured, electric light machinery, and a curious collection of bottled snakes. There may be an excuse, possibly, to include such things as ovens and kitcheners, as these are useful for the cooking of fish, and Nestle’s milk food might be swallowed by fishermen, no doubt, just as well as by anybody else ; but what possible connection have bedsteads, opera glasses, chimney cowls, fireworks, gas burner, magnetic brushes, artificial manure, gongs and bells, pottery, organs, luminous paint, the British and Foreign Bible Society, Crosse and Blackwell’s pickles, clocks, glass chandeliers, the Stereo scopic Company’s photographs, trephonde (a new substitute for leather), decanters and wineglasses, compressed vegetables, &c., with fish or the fisheries? One naturally asks in these circumstances, why is there not a fish torpedo ? And yet the Executive Committee have an eye for the fitness of things, else they would not have engaged the band of the Royal Marines to entertain visitors to the Exhibition. Herr Hanfstaengl, of Munich, has just built a new studio, destined chiefly, we presume, for copying pictures. It is constructed of wood, and is something in the form of a tunnel without any glass sides. Underneath the centre of the studio is a pivot, by means of which the structure may be revolved. Wheels support each extremity of the studio, and these move on a circular railway, very much, we suppose, after the manner of Angerer’s copying plat form, that we described in “ The Photographic Studios of Europe.” The mobility of the studio is of course to ensure the most favourable lighting, the photographer judging of the effect when focussing, and while the structure is being revolved. “Too photographic to be anything but tedious.” The reviewer who, writing in the Athenoeum t uses the above oracular phrase in reference to Mr. Jefferies’ pleasantly written “ Mature near London,” has certainly struck out a new path in literary criticism. Does he really mean the result is “ anything but tedious ”? In any case, one thing is certain : our reviewer is “ too literary to be anything but clear.” To dissolve out the silver bromide from waste emulsion or defective plates by soaking in an old fixing bath, and to precipitate by means of sulphide of potassium, seems a remarkably easy and simple proceeding when compared with the troublesome and complex methods which have been devised for destroying the gelatine, and we fancy Mr. Pike’s suggestion will be welcome to many readers. The sulphide of silver may either be reduced by fusion with carbonate of soda, or sent to a refiner. Those who adopt the latter course should remember that the sulphide con sists of 108 parts of silver united with 16 of sulphur, and to obtain a precipitated sulphide with as much as 10 per cent, of impurity would be the result of very careless manipulation indeed. In the Zeitu-ng, Herr J. Kopecky suggests the use of oil of turpentine—or, rather, its vapour—for reducing over printed photographs. The print, taken straight from the printing-frame, is pinned loosely against a sheet of card, and placed face downwards over a dish containing turpen tine, so that the front of the print is within an inch of the surface of the liquid. From one to two hours suffices to weaken the print, we are assured, if the oil happens to be fresh, and vapourises readily. We tried the experiment ourselves, but with questionable success. Half of an over-printed picture was exposed to turpentine vapour for two hours, and then compared with the other half that had been put away in the dark. There certainly was a lightening in the half-tones, but not much. The explanation, we presume, is that ozone is given off by the turpentine, which oxidises some of the silver that has been reduced ; albumenized paper that has been blushed becomes in this way white again. Perhaps some use might be made of ozone is this fashion to whiten discoloured sensitized paper; but the use of bromine vapour would be far better. According to the Weekly Despatch, a photographer divided the honours with the Archbishop of Canterbury, at the opening of the Fisheries Exhibition, during the period following the presentation of the address to the Prince of Wales, and his reply. Our contemporary observes that the effect of the short prayer of the Archbishop of Canter bury, to those who attached any importance to it, must have been somewhat marred by the very obtrusive energy