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410 THE PHOTOGRAPHIC NEWS. [June 26, 1885. Great Hampton Street. Birmingham, Brass Founders, for “ An improved portrait holder.”—Dated 11th July, 1884. The patentees say :— This invention consists of a new method in the manu facture of portrait holders, by which we claim to make the frame part or holder in one piece of sheet metal. We first take a piece of metal the required length and width, and, placing it in tools in a press, at one blow produce the frame part or holder ; we next place i in tools to give it the required shape. The slide part of the frame we cut out and bend up in tools as before ; the one end of the slide part we bend up in tools, so as to form a loop ; and in the frame part at the bottom we press out a piece of metal or loop to correspond with the bent up or loop portion of the slide. We then connect the frame part with the sliding part by means of a spiral or other spring, which may be secured in any convenient way ; or, in place of a metal spring, india-rubber or elastic may be used, by simply putting it under the loop in the frame part, and over the bent-up portion of the slide. 11,156. George Percival Smith, Beechholme, Tunbridge Wells, Gentleman, for “ Improvements in photographic appa ratus.”—Dated 25th October, 1884. This patent refers to improvements in dark slides for holding sensitive plates, and relates also to the manner of unveiling the plates within the camera for exposure when light is admitted through the lens, and relates also to the construction of the camera. The plate cases have, instead of the ordinary slides, shutters attached by hinges, which are made to open for unveiling the plate. Patents Granted in America. 319,503. John M. ORDWAY, Boston, assignor of one-half to Edward Emerson Waters, Sandwich, Mass. “ Obtaining a substitute for albumen from fish-roe.”—Filed June 6th, 1884. (No Specimen.) Claim.—1. The process of treating roe or eggs of fishes for obtaining a substitute for albumen, consisting, first, in dissolving the roe by means of ammonia, then precipitating by treatment with an acid. 2. The process of treating roe or eggs of fishes for obtaining a substitute for albumen, which consists in digesting the roe in a solution of ammonia, or its specified equivalent, then precipi tating by the acids named, and washing, pressing, and drying. 319,663. Albert S. Barker, Clifton, Pa. “Apparatus for instantaneous photography.”—Filed September 6th, 1884. (No model.) Claim.—An apparatus for instantaneous photography, consist ing of a frame-work adjustable to the back of a camera, containing a compartment for a sensitized plate, and immediately in front of the plate a shutter with a slot, the shutter being so arranged that the exposure is effected by the passage of a slot from end to end of the plate, and the plate is protected by the solid parts of the shutter before and after the passage of the slot. 319,669. John K. BEACH, New Haven, Conn. “Photographic apparatus.” —Filed May 5, 1884. (No model.) Claim.—1. In a photographic apparatus, the combination of a flanged rotating pivot-mechanism, substantially such as described, to impart rotation to said pivot, latching-disk of less diameter than the shutter, a shutter constructed with an orifice for exposing the plate, and attached to said pivot so as to partake of its rotation, and whereby the aperture in the said shutter is caused to cross the lens-aperture, substantially as and for the purpose specified. 2. The combination of the latching-disk, trigger, and a spring connecting said disk and trigger, substantially as described. 3. In a photographic apparatus, the combination of a stationary plate, rotating shutter, arranged upon one side of the plate, and provided with a pivot extending through the said plate, and so as to rotate with the shutter, and a shutter latching and rotating device upon the reverse side of the plate, substantially as described. A SCAMPER ACROSS A CONTINENT WITH A CAMERA. Being a continuation of “ With the British Association." BY R. a. BROOK. Our next stopping-place was Gretna, which is the boundary line between Canada and the United States. Here, at the station, Were waiting the Mayor of Gretna, and several members of the Council, who, 1 suppose, taking my friend and me to be a couple of learned savants of the Association, gave us a most cordial and hearty welcome. We next proceeded to Fargo, and after spending the evening there, we proceeded on our journey west, at 3.30 a.m., arriving at Sennabar on Sept. 19th, at 6 p.m. On presenting the checks for my baggage, my Gladstone bag was not to be found, which was exceedingly annoying, as I had put into the bag my lamp, instantaneous plates, &c., to photograph the Geysers, and to serve me through the park.; but the only satis faction I could get was, the officials “ guessed ” it had gone on to Portland or San Francisco. Luckily I had brought some other plates, but no instantaneous ones. We drove to Mammoth Hot Springs Hotel, arriving at 8.30 p.m. on the 19th. The loss of my bag occasioned the wasting of one day, and as there was no prospect of getting it, I proceeded to make the best of the situation by getting some other plates from the package, but was again at a loss, puzzled how to change the plates without my lamp ; but in the morning I fortunately met with Mr. Watkins, the renowned photographer of San Francisco, who kindly gave me two sheets of red paper (already mentioned) which he informed me would answer, when wrapped around the flame of a candle, quite as well as a lamp, and I found them answer quite satisfactorily. My next difficulty was about a dark room, but, for a dollar (which I found goes only about aS far there as a shilling does with us in England) one of the attendants at the hotel allowed me the use of a store-room, where, making up the window with carpet, the place answered my purpose. Whilst here, I took six views, including the Pulpit Terrace and Orange Geyser, which pictures are satisfactory. From this place we proceeded on a drive of thirty-eight miles to Marshall Station, in the neighbourhood of the Geysers, through most romantic scenery, refreshing ourselves on the way by drinking at the pure natural springs of Soda and Apollonaris waters. As he emerges from a gloomy and monotonous forest of pine trees, a curious and romantic scene presents itself before the traveller as he enters into the “region of wonder, terror, and delight.” This is Norris Basins Geysers, an extensive valley composed of hot sulphur springs and geysers, some of them constantly spirting, steaming, boiling, hissing, roaring, and groaning, others entirely quiet until just before eruption. I requested Mr. Mar shall, the proprietor of the station, who was driving, to stop here, promising that I would not detain him longer than ten or twelve minutes; and after fixing my camera, taking the view (which I particularly wanted), and re-packing, which occupied exactly twelve minutes, I had the satisfaction of finding that the plate came out all right. Further on the journey, at Carron Creek, I again requested him to stop, as here are views of the Lower Geysers, Hell’s Half Acre, and the Maddison River, where, as far as the eye can see, are forest, dale, and river—-a vast scene of great magnificence. We then journeyed on to the station,where we slept in canvas tents for the night, but Marshall has built a log-house here, and wintered in it last winter. I changed my plates in the larder, a place lying a short distance from the log-house, a cavity dug in the ground, and covered on top with logs. In the course of last winter a large black bear was seen scratching off the top, endeavouring to get into the larder when the master of the house was from home, when Mrs. Marshall got a gun and shot the great brute dead—rather a plucky feat for a woman to achieve ; and a few months ago Mr. Marshall caught one of the bear’s cubs, which is here now, chained to a tree near the tents. Next day we had another rough drive of from thirty to forty miles, to see all the large geysers, but I only photographed the principal ones, viz. Hell’s Half-Acre, Old Faithful, the Grotto, The Giant, and the Lions and Cubs. The Old Faithful plates are not good. This is the geyser that sends forth a volume of boiling sulphur water four feet in diameter, and from 100 to 150 feet high, every hour, which eruption lasts about five minutes. I exposed a plate when the stream of water was at its highest, but this view should be taken instantaneously, and as my in stantaneous plates had gone with my bag, my opportunity was not favourable. I here met Mr. Watkins again. Ho also was getting views of the geysers, by both wet and dry process, on plates 22 by 20, the negatives of which he permitted me to see, and they looked splendid. He has a waggon and a tent, and every other facility. He gave me a pressing invitation to call upon him at San Francisco, and also expressed a wish to make an exchange with me in photographs, which, of course, I shall be extremely glad
