MAWSON & SWAN, 25 



Magneto - Electric Machine, very portable, in mahogany case, 

 5x3x2-1 inches (can be recommended), 25,'- 



Magneto-Electric Machine, with two magnets and multiplying gear, in 

 polished walnut wood case (a very powerful instrument), capable 

 of heating platinum wire to redness, decomposing water, and 

 for blasting purposes, &c., 63 - 



Gaiffe's Magneto-Electric^Machine, giving a current in one direction 

 (a beautiful instrument), 63- 



ELECTRO-METALLURGY. 



ELECTROTYPE APPARATUS. 



Single Cell, one-quart size, complete, 4 - 



Do. very superior construction, for small work, 5/6 



Quart size, in deal box, with moulds, plumbago and bronzing 

 powders, brushes, and three bottles of chemicals, 15/6 



Stoneware Troughs, for depositing, 8x8x3 inches, with brass bars 

 and screws,. 7/6 



Do. do. do. 12x8x3 inches, 9/- 



Larger size Trough, 12x8x8, complete, with one-quart DanielPs 

 Battery, 2i/- 



Apparatus for Electro-Plating and Gilding, complete, with four Smee's 

 Batteries in tray, depositing trough circular, 10 inches deep, 

 8 inches wide, 35,'- 



Books on Electro -Plating. 



Gore's Metallurgy, 6/- ; post free 6/4 

 Electro-Deposition, i 6; post free 1/8 



SUNDRIES FOR ELECTRO -PLATING. 



s. d. s. d. 



Gold Solution . . . . per pint 6 o 



Silver do 3 



Nickel do.' .. .. ,, i 6 



Copper do ,, i o 



Powdered Pumice Stone, per Ib. o 8 



Burnishers, Steel . . . . each i 4 



Do. Agate . . . . ,, 5 



o 



Scratch Brushes ,, i o 



Chamois Leather .. . . 09 



Boxwood Sawdust . . per Ib. 



Borax , , 20 



Plumbago ,, 26 



Brushes for ditto . . 6d. and i o 



Silver Solder . . . . per oz. 6 c 



Soft do. . . . . per Ib. i 6 



Rotten Stone . . . . , , 08 



Caustic Soda .. .. ,, i o 



Medallions per doz. 3 o 



13 and 15, Mosley-street, Newcastle-on-Tyne. 



