North. Gallery.]
ClHiSs 7
and BUILDING CONTRIVANCES.
45
94 Ell, G. 3 Tottenham Court, New Road, Inv. andImprover.—Adjustable scaffold observatory or fire-escape.Adjustable ladder. Wheelbarrow. Folding steps, &c.
95 Bremner, J. D. & A., C.E. Invs.—Model of an appa-ratus for building sea-walls in deep water. Models of life-boats. Models of the means used for raising the iron steam-ship Great Britain. Models of cranes, &c.
90 Smith B. Bron Seiont, Carnarvon, Wales, Inv.—Models of four-rail mixed gauge railway, tunnels, railwaycarriages, &c.
97 Wilson, M. Whitehaven, Inv.—Governor-paddlesto obviate the back water in water wheels.
98 Rennie, G. 21 Whitehall PI.—Models of stonebridges. Model of an asylum harbour for Dover, by G. B.Rennie, jun.; and of a wrought-iron girder bridge proposedover the Rhine, at Cologne.
89 The Commissioners of Northern Lighthouses,Edinburgh, Mr. Alan Stevenson, Engineer.—Revolvingdioptric apparatus of the first order (same as that at Skerry-vore). Fixed dioptric apparatus of the first order, inventedby M- Fresnel (same as that at the Isle of May, with variousimprovements). Model of the Bell Rock Lighthouse, lightedin 1811; executed according to the design and under thesuperintendence of the late Robert Stevenson. Model ofthe Skerryvore Lighthouse: executed according to the de-sign and under the superintendence of Alan Stevenson.Model of balance crane, designed by the late Robert Steven-son, and used by him in the erection of the Bell Rock Light-house. Model of the apparatus of an intermittent light:designed by the late Robert Stevenson, and introduced byhim at the lights of Tarbetness, Barrahead, and Mull ofGalloway, on the coast of Scotland. Model of a lighthouselantern, on the diagonal arrangement: designed by AlanStevenson. Mechanical lamp of four wicks, in which the oilis kept continually overflowing by the means of pumps, whichraise it from the cistern below. Holophotal arrangement oflighthouse apparatus, prepared by Thomas Stevenson.
100 Stevenson, T. 84 George St. Edinburgh, Inv.—-Revolving light, with axial rotation. Ordinary parabolicreflector rendered holophotal (where the entire light is pa-rallelized) by a portion of the catadioptric annular lens.Holophotal catadioptric annular leusappavatus. Small modelof holophotal apparatus, acting by refraction and total re-” eC i on ty* Holophotal apparatus, with parabolic strips.
Tuckey,R. llamp. Ct. Palace.—Proposed fire-escape,sashes Maxwell, J. Dumfries.—Iron skylights and iron
104 Hopkinson, Jos. sen. Huddersfield.—Bobbin lad-der for vessels in port or distress, and suitable for a fire-escape.
105 Vignoles, C. 4 Trafalgar Sq. Des.— Model of thewrought-iron bar-cham suspension bridge at Kieff (Russia), |now erecting across the river Dnieper; the largest work ofthe kind hitherto executed. (Central Avenue)
106 Clark, E. 448 West Strand.—Model of the Britan-nia Bridge, and of the apparatus used in floating and raisingthe tubes. Engineer, Ii. Stephenson; model executed for 0Mare, Eso. by J. James. (Central Avenue.)
107 Leather, J. W- Des.—Models by Salter of cast-iron bridge over the river Aire, and suspension aqueductover the Calder, at Stanley, Yorkshire. (Central Avenue.)
109 Williams, C.—Models of footbridge, and of va-rious engineering inventions.
110 Croggon & Co. 2 Dowgate Hill.—Patent asphalteroofing felt; boiler ielt for preventing radiation of heat;ship-sheathing felt, and inodorous felt for damp walls.
111 Willett, F. 5 Edward St. Portman Sq. Prop.—Models, with diagram, to show the principle of Taaffe’spatent for roofing houses, &c.
112 Thompson, F. jun. C.E. Water-works Chambers,
Orange St. Leicester Sq. Inv.—New apparatus for econo-mising the consumption of gas, and increasing the light.
113 Wilson, T. H. Twickenham, Inv.—Slides for ex-cluding the wet and the cold from hall doors, shutters,hatchways, and port-holes. Invention for securing carriagegates and coach-house doors.
114 Dobson, J. Newcastle-upon-Tyne, Des_Model of
the roofs erected at the Newcastle-upon-Tyne Central Rail-way Station, &c. Model of a rolling machine, designed byT. Charlton, used in rolling iron for the same.
115 Pratt, H. St. Swithin St. Worcester, Inv.—Designof a mill and new power machine for the manu. of bread.
110 McClelland, 3 Palace New Road, Lambeth. —Roof of 100 feet span. Scale £ inch to a foot.
117 Barclay, J. Tongue, by Goldspie, Scotland, Des.and Inv.—A portable pressing-machine. Model of awooden float bridge, for narrow straits or rivers.
118 T utton, «!. 20 South Audley St. Grosvenor Sq. Inv.and Pat.—Models of patent improvements in the arrange-ment of the window spaces of dwelling-houses.
119 Walker, E. Cardingtou St. Hampstead Kd. —Patent wire window blinds.
119aSmith, J. Bartholomew Close.—"Model of a door.
120 Every, S. F. Quordon, near Derby, inv. and Manu.—Patent Vulcan chimney-sweeper. Circular and oblongchimney-sweeping machines.
121 Neale, W. J. 30 Basinghall St. (Hon. Sec. to Com.for awarding medals for the best Chimney-sweeping Ma-chinery.)—Prize machinery. Prize plans and estimates foraltering awkward chimneys.
122 Allan, J. sen. Glasgow, Manu.—Portable appa-ratus for making gas from rosin, cooking food for cattle, &c.Gas candelabrum, of cast-iron.
123 Ness, Mary, 24 Mold Green, Huddersfield, Inv.—Window-cleaner, for the protection of female servants.
124 Hill, O. & J. 37 Gt. George St. Westminster, Imp.'-'Modification of Dr. Arnott’s ventilating curtain-pump,arranged so as to be worked by a weight, and to be portable.
125 Mackenzie, J. S. Newark-upon-Trent, Inv.—Thevulcan spring, for closing doors, &c.
126 Mackie, W. I ll Lower Bagot St. Dublin, Inv.—
Patent safety window fittings.
127 Roberts, B. E. 2 Nelson PI. Clifton, near Bristol,Inv,—Newly-invented safety window-sash, which may becleaned from within.
128 Williams, L. 14 Upper Marylebone St. PortlandPI. Inv. and Manu.—-Man-help for painting ships, houses,&c. Concave-bottom tea-kettle. Safety cot.
129 Bramhall, T, 1 Union St. St. George’s Rd. South-wark, Inv. and Manu.—Iron and zinc plate work: the anti-
Boreas guard.
130 Brown, It. Sheffield.-—Model of a magnetic light-ning conductor (half size).
131 Baymss, T. 273 Strand.—Fire escapes
132 Holland, T. 40 South Audley St. Inv.—Improvedbrass cock for kitchen boilers, &c., for giving out hot andcold water, and filling itself. Improved shop shutters.Almanac.
133 English Patent Campiiine Co. — Model appa-ratus for generating heat from bituminous substances with-out smoke.
134 Booth, G. R. 9 Portland PI. Wandsworth Rd. Inv.and Manu.—Vegetable gas apparatus.
137 Sampson, T. Landore, Swansea, Inv.—A high-pres-sure steam-boiler, with self-feeding apparatus and still.
139 Vaughan, W. Maidstone, Inv.—Machine to facili-tate the construction of marble, stone, slate, or other chim-
ney I P 40 C F AKR „x, I. 210 Gt. Brunswick St. Dublin, Manu.—Model of a registered circular window.