OF CHEMICAL APPARATUS. 



227 



FIG. 2735. FIG. 2730. FIG. 2724. 



2717. Spirit Lumps, with brass wick holders and ground glass caps (jig. 2717), p. 226, 



2 oz. size, Is. 6d. ; 3 and 4 oz., each, 2s. ; 5 to 7 oz., each 2 6 



2718. AEGAND LAMP, chemical, with supports, cotton and adapter complete 070 



2719. larger size, 5s. 6d. ; ditto, with double concentric wick 14 6 



2720. SPIEIT LAMP, on stand, with concentric wick and double current of air, em- 



bracing the improvements of Faraday, Kose, Liebig, etc. . 18 



2722. das Lamp or Burner, with 4 inch, brass cylinder and gauze, for burning common 



gas mixed with air, giving intense heat without smoke, very useful in labora- 

 tories, for boiling, distilling, etc. . . . . 060 



2723. HOFMANN'S GAS LAMP, with Argand burner, jet for blow-pipe, wire gauze and 



three-way stop-cock ; by turning which it is adapted for a large flame or the 

 blow-pipe . . . . . . . 10 6 



2724. SPIEIT LAMP OB BLOW-PIPE, self-acting, on the Russian principle, with copper 



ball (fig. 2724) 076 



2725. DAVY'S SAFETY LAMP, for coal-mines, etc. . . . 080 



2726. DITTO, DITTO, with lamp to lock . ' . . 10 



2727. DAVY'S LAMP (Dfi. CLANNY'S IMPEOVED) with glass cover to show the flame, 



without disturbing the gauze cover .... 2 



2728. Blinsen's das Burners, for burning a mixture of gas and air ; single jet, brass 



tube, Is. 6d. ; ditto, with rose cap, 2s. ; ditto, larger, 4s. 6d. and 060 



2729. WATEE OVEN, copper ; outside measure, 9 inch, square . 220 



2730. HOT AIE BATH (TAYLOE'S), the body 9 inches diameter and 5 inches high, 



japanned iron, with movable tray (fig. 2730) . 15 



2732. DITTO, with copper body, tinned inside . . . . 1 10 



2733. HOT OIL OVEN, of stout copper, rivetted, 7 inch, square by 6 inch, high 250 



2734. DITTO, DITTO, 9 inch, square by 8 inch, high . . . 2 12 6 



2735. Glass Blowers' Bellows, best double action (full size), with table, brass mount- 



ings, lamp, improved jet holder, three jets and scissors (fig. 2735) 2 18 6 

 The above bellows, with screw-joints for exportation, 10s. 6d. extra. 



2736. GLASS BLOWEES' BELLOWS, circular, in round pedestal, with square table top, 



lamp, jet, etc., as above, much used in laboratories . . 440 



Q2 



