386 



NEGRETTI AND ZAMBEA, HOLBORN" VIADUCT, B.C., "* 



FIG. 2035. 



2026 



2027 

 2028 



2029 

 2030 



2031 

 2032 



2033 

 2034 



2035 



2036 



Each. 

 s. d. 



1 6 

 1 



FIG. 2035*. 



Muffles . 9d. Is 



Mixing Jars for Alcalimetry (figs. 2027 and 2027*) . 

 Test Mixers (fig. 2028,2028), for preparing Test Acid; 



containing 1,000 septems, divided into 100 divisions . 

 Parting Glasses, for assaying (fig. 2029) . . from 

 Pneumatic Trough, mercurial, Berlin ware, for tube 



experiments (fig. 2030) 



Porcelain Retort, (Berlin) tubulated and stoppered, 



contents about forty fluid ounces (fig. 2030) 

 Pipettes, with Round or Pear shaped bulbs (figs. 2032 



and 2032*) .... .... 6 



Pipettes, or Dropping Tubes, straight bulb, 6-in. long 006 

 Ditto, with elongated bulb, for use in Edulcoration 



(figs. 2034 and 2034*) 



Pipettes, Graduated, for delivering exactly 1,000, 700, 



500, 350, or 50 Grains, Cubic Centimetres, Equal 



Parts, or any quantity to order 



(figs. 2035 and 2035*), 2s. 6d. 3s. 6d., 5s. 6d. 7 6 

 Pipettes, with two bulbs, for delivering exactly 500 and 



1,000 grains (fig. 2036) 



FIG. 2037. 



2037 Pipettes, for passing a Solution of Potash into a Gas 

 contained in a Tube over mercury (figs. 2037 and 2037) 



Each. 

 a. d. 



026 

 026 



090 

 009 



040 

 13 6 



008 

 008 



010 



10 6 

 050 



014 



re 



FIG. 2052. FlG. 2054. FIG. 2052* 



2038 RETORTS, Glass, various forms and sizes, see also next page. 



