No. :>iL'ii;. 



Thermo-Regulators, Burners. 



209 



i 



51206. 1 : 6. 



51207. 1:7. 



51214. 1:10. 



s. d. 

 0. 4. 6 



51.195. Universal Gas Burner (Teclu's), with burner pipe 145 mm in length and 16 mm 

 internal diameter, without the heads A, B, C, D, E 



By the method of air regulation peculiar to this type of burner it can be used either as a Bunsen 

 or an automatic blast burner and it is very efficient in its action. The attachments illustrated above 

 are very suitable for use with this type of burner: (A) mushroom-shaped burner for obtaining a regular 

 distribution of the heat in evaporation work; (B) cross-slot attachment for boiling liquids in beakers, etc. : 

 gives a large amount of heat over a small space; (C) slot attachment for heating and bending tubes, 

 being of great utility for this work. In addition, the following can be supplied: (D) star-shaped attach- 

 ment, and (E) chimney with holder. 



Attachment A BCD (star-shaped) E (Chimney with holder) 



0.1.7 0. 1. 7 0. 1. 0. 3. 6 0. 1. 



51.196. --The preceding, smaller, with burner pipe 100 mm in length and 10 mm 

 internal diameter 0. 3. 6 



Attachement A B C D (star-shaped) E (Chimney with holder) 



0. 0. 11 0. 1. 3 0. 0. 7 0. 2. 0. 0. 10 



5J,197. Gas Burner (Finkener's), with simultaneous regulation for gas and air, single-jet type 0. 3. 



51.198. -- idem, with star, chimney and air neck 0. 4. 



51.199. --idem, as No. 51,197, triple-jet, Figure, with separate regulation for each jet 0. 9. 



51. 200. --idem, six-jet .0.16.0 



51,20.1. -- idem, with 4 burners arranged in a row, with attachments for wide jets . . j 0.17. 



51.202. Gas Burner (Dierbach's), horizontal burner with universal adjustment (M. T., p. 10) ! 0. 10. 



51.203. Blast Burner for gas, Figure 0. 10. 



51.204. - - idem, with sextuple flame, giving a large and very hot flame, Figure.. 0. 14. 



51.205. Blast Burner for gas, Figure 0. 16. 



51.206. Blast Burner for spirit, Figure, for the blowing table 0.10.0 



51.207. Berzelius Lamp for spirit, with burner stand, Figure 0.12.0 



Spirit Lamps, constructed of glass, with tube for filling and ground-in stopper, Fig. 51,209. 



List No. 51,208 51,209 51,210 51,211 



Capacity 50 100 150 200 ccm 



Price 0. 0. 8 0. 0. 9 0. 0. 11 0. 1. 1 



51.212. Spirit Lamp, of sheet brass, 75 ccm capacity, with wick-regulator 0. 1. 6 



51.213. - - idem, capacity 150 ccm 0. 2. 



51.214. Spirit Bunsen Burner, Figure, somewhat like a small Bunsen gas burner, with 

 reservoir, l x / 2 m metal hose and tripod j 0. 14. 



51,216. Spirit Bunsen Burner, larger, corresponding to 4 Bunsen gas burners, with tripod . j 1. 2. 6 



Cl. 3601, 3230, 



5205, 130, 5450. 



14 



