558 SEC, 13. CHEMISTRY. 



2621. Same, with star, chimney, and reduction-cone. 



Warmbrunn, Quilitz, $ Co., Berlin. 



2622. Two-burner Bunsen Lamp. 



Warmbrunn, Quilitz, >- Co., Berlin. 



2623. Three-burner Bunsen Lamp, with arrangement for 

 the simultaneous adjustment of air and gas. 



Warmbrunn, Quilitz, fy Co., Berlin. 



2624. Five-burner Bunsen Lamp, of similar construction. 



Warmbrunn, Quilitz, fy Co., Berlin. 



2625. Six-burner Bunsen Lamp. 



Warmbrunn, Quilitz, $ Co., Berlin. 



2626. Muncke's Universal Burner, of newest construction, 

 complete. Warmbrunn, Quilitz, $ Co., Berlin. 



A description of this burner will be found in Ber. d. Deutsch. chem. Ges, 

 1874, p. 284; in Dingl. Polyt. Journ., vol. 212, p. 141; and in Fres. 

 Zeitsch. f. anal. Chem., XHL, p. 46. 



2627. Miincke's Combustion Furnace, with a four-burner 

 gas lamp, complete. Warmbrunn, Quilitz, fy Co., Berlin. 



For a description of this furnace, refer to Dingler's Polyt. Journ., vol. 212, 

 p. 315, and to Fres. Zeitschr. f. anal. Chem., XIII., p. 167. 



2628. Warmbrunn-Quilitz Combustion Furnace, with 12 

 burners, each provided with simultaneous regulation for gas and 

 air, complete. Warmbrunn, Quilitz, 3? Co., Berlin. 



2629. Miincke's large Gaswork Apparatus, on supports 

 (comp. Fres. Zeitsch. f. anal. Chem. XV. 5 Part I.) Three different 

 sizes. Warmbrunn, Quilitz, $ Co., Berlin. 



2630. Hydrofluoric Acid Apparatus, consisting of retort, 

 still-head, and U tube, for condensing the acid. 



Warmbrunn, Quilitz, fy Co., Berlin. 



2631. Same, consisting of retort, still-head, and receivers, on a 

 stand. Warmbrunn, Quilitz, Sf Co., Berlin. 



2632. Bardeleben's Gas Evolution Apparatus for labo- 

 ratories ; consisting of a large cylinder with bell-glass, and glass 

 vessel with ground brass-plate and bayonet-joint, gas washing 

 apparatus, &c. Quite new. 



Warmbrunn, Quilitz, fy Co., Berlin. 



\ 2633. Pulse Pump, mounted, with reservoir, manometer, two 

 glass stop-cocks, and unions for connecting with the water supply 

 pipe. Warmbrunn, Quilitz, fy Co., Berlin. 



