AND BUILDING CONTRIVANCES.
North Gallery, and with Classes 6 & 6.
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Leather's Cast-Iron Bridge over the Aire,
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Williams, Cadogan, Bridgend , Glamorganshire ,Wales —Inventor.
the svirf S mac hines for pressing, tearing, and cleavingfi>r r oads^ e f * ant ^> for grubbing; for breaking stones^tture lip working the surface of land and mixingCar *es i n ^ tix ^ 5 au d for preparing land for planting sugar-
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Pool,. C' n i ° I artificial stone for lining water-tanks andMncipig ° Ge ^ a Htei'. Models of pumps on a new
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Vess els, so ir new Pj an f° r raising weights, and propellingv°ya g ’ ™ at emigrants might assist to expedite theii
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a nd of a n , a U arl for taking carriages over the Avon,? c ros s the^ pf 1 - ^° r ™ a king a footpath under the iron barltS j^. av igation 1St01 laver ’ at Clifton, without interrupting
b an artifi ? re_esca pes, and removing soot from chimneystor t>oilinrr ° la * curr ent of air; for economising heat, ando Water by means of a current of air.
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Pat lOGGON & Co., 2 Dowgate HiU, City—Inventors.' Va rin e ci; as P ha lte roofing felt, particularly applicable fo
I in g pack fl e - S ' is a non-conductor. It is portable
I I effects « G ln , rolls > an d not liable to damage in carriageN can be e-, ?, aTm S ,°f half the timber usually required* ts ^’ghtnea 181 ^ ?PPHd by any unpractised person. Fron
I °.° feet tv,’ Wei S llin g only about 42 lbs. to the square o: a 'd on f rorn e c ? st °f carriage is small. The felt can foto eaves. Tt to gable, or across the roof from eaveia °^ smooth 4 18 essent ' a l that it should be stretched tigh
eloselv °J erla PPing full one inch at the joinings• 6 elout na'Wu trough the overlap, with twopennyInt « grease t '■“ eate d in a shovel, and thrown when hotCo Pper n a ;f to Prevent rust), about l£ inches apart, bua , good coati„ are .Preferable. The whole roof must hav(, ae former f ° • coa ^ tar an< ^ i* me (ut>°ut two gallons o:together ]-„_, 0 Slx Pounds of the latter), well boiled
II hot with ? °°nstantly stirring while boiling, and put° a rse sharn conilno n tar mop, and while it is soft somt
] St be rew J ma y he sifted over it. The coating? Ss frequently ever y fourth or fifth year, or more oia °uld b e 7’ ^fcording to the climate. The gutters°gether with «.°V W0 f°lds, one over the other, cementedw «h the boiling mixture.
Inodorous felt, for damp walls, and for damp floors,under carpets or floor-cloths.
Patent felted sheathing, for covering ships’ bottoms, &e.Dry hair felt, for covering steam-boilers, pipes, &c.,preventing the radiation of heat, and saving 25 per cent,of fuel.
Ill Willett, Francis, 5 Edward Street, PorimanSquare —Proprietor.
Models in timber and slate; in timber and glass; andin glass and iron; with diagram to show the principle of“ Taaffe’s patent’’ for the roofing of houses and otherbuildings.
Williams’s patent locks, without a keyhole.
112 Thompson, F. jun., C.E., Water Works Chambers ,Orange St., Leicester Square —Inventor.
New apparatus for economising the consumption ofgas, and increasing its powers of giving light; it may beattached to any existing gas fittings.
118 Wilson, Thomas Hood , Twickenham —Inventor.
Slides on a pair of folding doors, for excluding the wetand the cold from hall doors and shutters; also for hatch-ways apd port-holes of ships.
Invention for securing carriage gates and coach-housedoors, being self-acting; stops and bolts for the same.
114 Dobson, John, Newcastle-upon-Tyne —
Designer.
Model of the roof erected over the passenger shed ofthe Newcastle-on-Tyne Central Railway Station.
Model of a roof for Messrs. Smith’s ship-building yard,St. Peter’s, near Newcastle-on-Tyne .
Model of a railing machine, designed by Mr. ThomasCharlton, used in rolling iron for the circular principalsof the passenger-shed roof of the Central RailwayStation.
Model of original design for the portico and arcades ofthe Central Railway Station.
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