OF CHEMICAL APPAKATUS. 



231 



FIG. 2789. 



FIG. 2783. 



FIG. 2782. 



FIG. 2790. 



FIG. 2756. 



2792. CHLOEIDE OF CALCIUM TUBES, for drying gases, straight with 1 bulb 



13 



2793. V shape, with 2 bulbs 



2794. TEST PAPEES, (litmus, turmeric, starch or lead), in books, per dozen 



2795. CEUCIBLES AND COVEES, best glazed porcelain 4 to 



2796. DITTO, Hessian triangular, in nests of 3 to 8, per nest 005,, 



2797. DITTO, fire clay, best London make, 3 to 9 inch., per dozen 016,, 



Covers for above, at the same prices as the crucibles. 



2798. CEUCIBLES, black lead, 20 sizes, 2|d. to 21s. ; covers about two-thirds extra. 



2799. CEUCIBLE TONGS, black iron, straight or bent, 18 inch., Is. 9d. ; 25 inch. 



2 



2800. CEUCIBLE TONGS, small ; iron, Is. 2d. and Is. 6d. ; brass, Is. 9d. and 



2 

 2802. DEYING TUBE (jig. 2802), p. 228 . . 01 



PLATINUM BOILERS AND OTHER APPARATUS. Gold, silver, platinum, palladium, iridium, 

 osmium, rhodium, ruthenium, aluminium, indium, magnesium, etc., etc., pure and chemically 

 pure, in their various varieties. 



CHEMICAL CABINETS. 



The increasing importance of the study of chemistry, and the alacrity with which 

 it is followed by youth has led to the following simple combinations of apparatus. 



