45, CORNIIILL, E.G., AND 122, EEGENT STREET, W., LONDON". 395 



FIG. 2139. FIG. 2140. 



2138 Mitscherlich's Potash Apparatus, very light, (fig. 2138) 



2139 Marsh's Apparatus for detecting Arsenic (fig. 2139) . 



2140 Ditto, ditto, on Stand (fig. 2140) 



214 L Clark's Apparatus for. detecting Arsenic (fig. 2141) . 



2142 Percy's Apparatus, for Analysis of Carbonates . 



2143 Ure's Apparatus for determining the quantity of 



Nitrogen ..04 



2144 

 2145 

 2146 

 2147 



2148 



2149 



2150 



FIG. 2132 



FIG. 2136. 



FIG, 2129* 



036 







3 



7 

 9 

 10 



7 



056 



Will and Varrentrap's Nitrogen Bulbs .... 

 Nitrogen Bulb with Horsford's Modification (fig. 2145) 

 Bell-Shaped Dialyser of Glass, with two Flanges 

 Cylindrical Glass Jars, for using above 

 Dialysers, Tube Form, Dr. Alfred S. Taylor's Form, 



for testing Mineral Poisons 



Parchment Paper, for use with Dialyser, best quality 



84 by 6 inch, Is. 6d. ; lOf by 6 inch, 2s. ; 12 by 12 inch, 



2s. 6d. ; 14 by 12 inch, 3s. 6d. per dozen. 

 Flat Conical Glass Basins, with Spout for holding 



Distilled Water below the Dialyser, and collect the 



Diffusate 3s. 6d. 5 6 06 



066 



Sets of Chemical Apparatus and Tests adapted for the Analysis of Soils, 

 Manures, &c., &c., or for the examination of Adulterated Articles of Focd 

 fitted up to ordir. See also end of Chemical Section, page 411. 



