400 



NEGRETTI AND ZAMBBA, HOLBORN VIADUCT, B.C., 



FIG. 2212. 



Each. 



s. a. 



Each. 

 a. d 



10 6 



2211 Condensers, Liebig's form for Distillation (fig. 2212) 



The steam passes through a long Glass tube, inclosed in an outer Metal tube ; in the intervening space 

 water is made to flow continuously, and rapid condensation is effected. 



2212 Support for Liebig's Condenser, best make, in wood, 



capable of being elevated and inclined to any angle 



(see fig. 2212) 10 6 



2213 Ditto ditto, Metal ......... 16 



2214 Adjustable Wooden Stand for water vessel (see fig. 2212) 



2215 Cork Borers, a set of four, without case ... 026 



2216 Ditto, of polished brass, set of six, in a case . . 046 



2217 Ditto, a set of twelve 076 0126 



2218 Deflagrating Spoon, the bowl rivetted to the stem, with 



a sliding cover for the jar (fig. 2218) .... 008 



2219 Ditto, Ground Cover, to fit the top of Glass Receiver . 026 



2220 Drying Apparatus, or Hot Air Bath, on stand, japanned 



tin, from 110 



2221 Ditto ditto Copper, or Copper tinned . .220 440 



2222 Decimal Weights, from 1,000 grains to a 10th of a grain, 



in mahogany box 1 10 



2223 Ditto, from 1,000 grains to 1 -100th of a grain, the 



smaller weights of Aluminium or Platinum . 220 



2224 Diamonds, for Writing and Engraving on Glass from 10 6 



2225 Ditto for Cutting ditto 15 6 to 2 2 



2226 Dishes, Evaporating, Copper .... from 026 



2227 Ditto ditto Copper tinned inside . 030 



2228 Ditto ditto Copper plated with silver . 066 



2229 Ditto ditto Silver. . . . from 12 6 



2230 Ditto ' ditto Enamelled Iron ... 026 



2231 Evaporating Capsules, of Platinum : 



Diameter 

 Contents 



l-in. |-in. 1-in. 



l-16th oz. l-10th oz. i-oz. 



i-oz. 



2-in. 

 |-oz. 



21-in. 

 i-oz 



2f-in. 

 ll-oz. 



Price variable, according to weight, about 35s. per oz. 



