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l^iMERALOGY. 



A? it is impossible to acqaL^ a piacLIcal h ledge of Mikekalogt without the 

 aid of specimens to '''^:-''''"':te the study, J. le; .xiit, Miaern^^^^lst to Her M-riestyj 

 arranges a series, coii^istiug of Metals, Earths, and KockSj in u CABiNEr; -^^\h 

 Catalogue, iTom T\'.o to One Hunuxed Guineas each, in the following proportion: 





100 Smal] S:: ^^nens of Metals,, Eart,hs. and Rocks, 

 100 Ditto, with Bio\\^ipe, Magnet, Tuhes, Forceps, 



Borax, ond Box of Fragments for Experim 

 200 Varieties, larger, with Descriptive Cataioguej 

 800 Ditto, kx^ji and more select, with ditto, 

 400 Ditto, ditto, 



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3 







2 12 



9* 



5 



10 10 



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J. T., hamg recently purchased several lai-ge collections, and having extensiv 

 connections in the mining districts of England and in foreign countries, can, at a 

 short rii^tice, make up collections to any extent ; and is enabled to supply almost every 

 variety of mineral. 



Persons commencing the study of Mineralogy, Conchology, or Geology, can be 

 furnished with a great variety of specimens, carcfiiUy labelled, at %d> or 1^. each, 



FRAGMENTS FOIl ESPERIMEr^TS WITH BLOWPIPE. 



7. - 



lenty different Minerals named. 

 Salt. Price 3^. 



Borax, and Microcosraic 



Fifty varieties, including the Emerald, Zircon, Platina, &c. lO^*. 



Whitney's translation of Berzelius on the use of the Blowpipe in Chemistry and 

 Mineralogv. Price 9^. 



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Chemical Apparatus, for the Examination of Minerals, containing improved Bras 

 Blowjnpe, Agate Mortal', Electrometer, Magnetic Needle, Platina Spoon-Forceps, 

 Wire and Foil, Spirit Lamp, W^ax CandlC; Charcoal, Magnet, Brass Forceps, Eva- 

 porating Capsule Glasses and Frame ; Knife, Forceps, and File ; Metallic Rods for 

 precipitating Metals; Glass Tubes, Litmus Paper, Magnifying Glass, Hammer, 

 Crucible, Touchstone, and Minerals for Experim.ents ; also, Tests, Acips, Fxuxes, 



&c., fitted in case, price 



0. 05, 



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TouiiMALiNE, Iceland Spar, Arragonite Selenite, &c., for E^; 



Light. 



Miscroscopic sections of Flint, Agate, Limestones, Fossil, and recent Teeth, "Wood, 

 &c., &c. 



Models uf the most celebrated Diamonds in Europe, ^= ith a Description of their 

 "Weight and Value. 



Models of Crystals, to illustrate Crystallography. 



Amateur Lapidary's Guide, by J. Maw^e, containing Instructions for Cutting, 

 Polishing, and Slitting Hard Stones of every Description. Price 1^. 



A complete set of the Second Series of the Transactions of the Geological Society 

 can be supplied at- half the published price. 



A new edition of the Geological Map of the British Isles, constructed by Professor 

 Phillips, engraved by J. W. Lowry, is lately published. 



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Mr. TENNANT gives Private Instruction in Mineralogy, with a view to facili^ 

 tate the study of Gr--,oaY, and of the application of Mineral substances fo the 

 ArU illustrated bv an extensive Collection of Snecimens, Models, &c. 



149, Strand, Aprils 1848. 



Reeve. Eeuham, & Reeve, Printers, Sing WiUiam Street, Strand. 



