VII. MISCELLANEOUS. 553 



(20.) Iserlohn gas lamp, middle size. 



(21.) Iserlohn gas lamp, larger size. 



(22.) A fusion gas lamp, consisting of 11 single burners, and 

 fixed on a stand. 



(23.) A gas lamp, consisting of 3 burners, each possessing a 

 separate regulator for a simultaneous supply of air and gas. 



(24.) A gas lamp, containing 4 burner tubes. 



Julius Schober, Berlin. 



2572a. Heating Apparatus for Laboratories. 



M. Wiesmgg, Paris. 



1. (?) Arched Bunsen burner. 



2. Plain Bunsen burner, with support. 



3. Bunsen burner of 8 millimetres. 



4. Three tye-pieces for gas burners. 



5. Treble Bunsen burner. 



6. Wiesnegg burner, with stand. 



7. Berzelius burner, for gas and air. 



8. Stove "& couronne," No. 1. 



9. Do. do. No. 2. 



12. Laboratory blow-pipe, for petroleum. 



13. Bellows, with handle and treddle. 



14. Leclerc oven. 



15. Cloes universal stand, with hook. 



16. A hand blow-pipe. 



17. Complete Schloesing blow-pipe. 



18. Two Schloesing ovens, No. 1. 



19. One do. No. 2. 



20. Tube oven, and model of oven for melting platinum. 



21. Perrot apparatus, No. 1. 



22. Clothing framework of Perrot apparatus. 



23. Perrot apparatus, No. 2. 



24. Perrot coppel, No. 5, with treble clothing. 



25. Oxygen retort. 



25. Complete oxygen bladder. 



27. Two Perrot cocks and light strikers combined. 



28. Cloes " etuve." 



29. Ranvier " etuve." 



30. Wiesnegg " etuve." 



31. Fremy " etuve." 



32. Two gridirons for analysis (18 and 14 burners). 



33. Stove " a couronne," No. 1, for petroleum. 



34. Stove " a couronne," No. 2, for petroleum. 



35. Gas stove for incineration, with two jackets. 



36. ? Candelabra for lecture theatre. 



37. Complete still. 



38. Perrot burner, No. (?), for petroleum. 



39. 150 burners of various sorts, copper. 



40. Pressure and gas caoutchouc. 



41. Twelve Wiesnegg briquettes, No. 2, and 8 quarter briquettes. 



42. Twenty Wiesnegg briquettes, No. 1 (?), and 8 quarter briquettes. 



43. Eight Perrot plots. 



44. Twelve manometer glasses. 



45. A small ingot mould and a large one. 



46. Two charcoal and crucible tongs. 



