45, CORNHILL, E.G., AND 122, REGENT STREET, W., LONDON. 'ill 



and other gases ; Pipette or dropping tube, &c. ; Book test papers ; Set of six cork 

 borers, with file for sharpening them, and steel rod, in japanned case ; Glass funnel, 

 and supply of filtering paper ; Funnel support, with movable arm ; Balance, with 

 a set of weights, from oz. to | grain, in box ; Tall test glass, for precipitations ; 

 Two Clark's test glasses, for testing, &c. ; Six Test tubes, of hard German glass ; 

 Test tube stand ; Two stirring rods ; Glass tubing, for fitting up gas bottles, for 

 conducting tubes, &c.; Pneumatic trough, with movable shelf and tray; Two gas 

 jars; One gas jar, with glass stopper; One transfer jar, mounted with brass cap, 

 stopcock, bladder and bladder piece, and brass jet; Two porcelain evaporating 

 basins ; Graduated glass measure ; Deflagrating ladle, with cover ; Three watch 

 glasses, for evaporations, &c.; File for cutting glass tubing; Glass plates, 

 Porcelain mortar. Including a strong Packing Case. 



2375 . Five Guinea Set of Apparatus. Retort Stand, with iron foot and rod, and 

 three sliding rings ; Two plain retorts ; Two tubulated retorts, one receiver ; Set of 

 four porcelain capsules, for evaporations, crystallizations, &c. ; Pneumatic trough, 

 with movable shelf [and tray ; Bell or transfer jar, mounted with brass cap and 

 stopcock ; Bladder, mounted with ferrule ; One brass jet, for experiments on 

 Oxygen ; Pestle and Mortar ; Glass tubing : Half-a-dozen glass stirrers : Two glass 

 funnels, filtering paper ; Three flasks, for solutions, digestions, &c. ; Bars of zinc, 

 copper, and iron, for use in testing, &c. ; Two books of neutral test papers ; One 

 dozen hard German glass test tubes ; Test tube stand for one dozen tubes ; 

 Tall test glass, for precipitations ; Three Clark's test glasses, for testing, &c. ; Black's 

 blowpipe ; Blowpipe lamp ; Clark's gas bottle, for making sulphuretted hydrogen* 

 &c. ; Gas bottle, with bent glass delivery tube, for preparing Chlorine and other 

 gases ; Platinum foil and wire ; Glass spirit lamp ; Graduated glass measure, 4 oz. ; 

 Pipette ; Improved apparatus for making Oxygen over a spirit lamp : Cylinder, for 

 supporting flasks, basins, &c. ; Sand bath, iron ; Six watch glasses ; Set of cork 

 borers, in case ; Two files, one for cutting glass tubing, and the other for enlarging 

 holes in corks, Balance and set of weights ; Nest of Hessian crucibles. Including 

 a strong Packing Case. 



2376 Blowpipe Cabinet. A complete Set of apparatus, &c., for the Mineralogist 

 in Polished Box. Blowpipe with Platinum Jet, Forceps with Platinum Points, 

 Platinum wire Foil and Capsule, Geological Hammer Steel, Steel Forceps and 

 Spatula, Steel Crushing Mortar. Chisel, triangle File, Cutting Pliers, Pocket 

 Magnifier, three Porcelain Capsules, Porcelain Slab, Glass Stirrers and Pipette, 

 Hard Glass Tubes, Arsenic Tubes, Charcoal for Blowpipe. Blowpipe Lamp and 

 Stand, Charcoal Supports and Tin foil. Re-agents : Carbonate of Soda, Borax, 

 Murocosmic Salt, Bone Ash, Gypsum, Nitre -Silicia, Fluor Spar, Lead, Iron "Wire 

 Graphite, Starch, Rock Salt, Oxalate Nickel, Oxalate Potass, Boracic Acid, 

 Potassium Broulphate, Potassium, Cobalt Nitrate, Hydrochloric Acid. Nitrate 

 of Silver, Magnetic Needle, Test Papers assorted, &c 550 



Larger and more complete Sets fitted up to order. Ten to twenty Guineas. 



PURE CHEMICALS, TESTS, OR RE-AGENTS SUPPLIED IN ANY QUANTITY AT THE 



LOWEST MARKET PRICES. 



