518 



Accessories for Spectrum Apparatus. Fluorescence. Phosphorescence. 



No. 54 222 



54 222. 

 1: 15. 



SOLAR -SPECTRUM. 



A a B C D El) F 



m n TO 3D 4* :n o in so K 



limiliiiiliimlmilfiiilfltifiifiiniMl 



HO 170 1M 140 ISO 1SQ 1/0 



' inlimlliHlimliiuhtithiti 



Max Kohl Chemnitz. 



54231. 1 : 11. 



54.222. Apparatus for reversing the Sodium Line after Frankland, Figure (M. P., II, 1, s. d. 

 Figs. 543 and 544 [231]), with platinum spoon and wire net 1.10. o 



54.223. Sodium Tube for Reversing the Sodium Lines of refractory glass, evacuated with H 0. 10. 



54.224. - - idem, with three bulbs 0. 10. 



* 54,225. Bunsen-Burner with Pan and Sheet-iron Cylinder, after Grimsehl, for reversing the , 



sodium line, for objective demonstration (Ztschr. f. d. phys. u. chem. U. 20, 1907, p. 2<M>. 



Fig. 1 [B] and Fig. 2) 0. 14. 



* 54,226. Stand with illuminating Tube for reversing the strontium line, after Grimsehl, for 



objective demonstration (Ztschr. f. d. phys. u. chem. U. 20, 1907, p. 211, Fig. 3 [B]) 0. 16. 



54.227. Table of Spectra after Kirchoff and Bunsen, containing the solar spectrum and the 

 spectra of K, Eb, Cs, Tl, Na, Li, Ca, Sr, Ba 0. 7. 



54.228. - - idem, containing the spectra of In, C, Bo, Mn, Pb, Cu, Co, Ni, Fe .... 0. 7. 



54.229. Star Spectra Table after Vogel, containing the spectra of Sirius, ft Lyrae, Sun, B. D. 

 34 4001, new star in Cygnus, a Orionis, Schjell. 152, and Carburetted Hydrogen Spec- 

 trum for comparison 0. 7. 



54.230. - - idem, containing the spectra of a nebula, of Uranus, of a comet, of carburet ted 

 hydrogen for comparison, of the Sun's limb and illustration of spectrum of the Sun's 



limb with strong dispersion (displacement of lines) 0. 7. 



54.231. Solar Spectrum, Figure, painted on linen, with frame, very pretty pattern . . 3.10.0 



54.232. - - idem, with wood rods for rolling up, as Fig. 52,227, p. 36 ......... 3. 0. 



* 54,233. -- idem, transparent, coloured 1.0.0 



Fluorescence. 



54.234. 3 Cubes of fluorspar, uranium and didymium glass, fluorescing blue, green and red 

 respectively, 13 mm side, in box 1.16. 



54.235. Cube of Fluorspar, fluorescing blue, 13 mm side 1. 0.0 



54.236. - - of uranium glass, fluorescing green, 30 mm side 0. -. o 



54.237. -- idem, 50mm side 0. 1. (i 



54.238. - - of Didymium Glass, fluorescing red, 13 mm side 0. 12. o 



54.239. Holder for Fluorescent Cubes, Figure, adjustable, with mount 0.18.0 



When ordering kindly sliitc si/.c of rube to be inserted. 



54.240. Uranium Glass Plate, 150 x 60 x 8 mm 0. :>. u 



54.241. -- i d e m, 300x60x8 mm 0. !<>. o 



54.242. Collection for Fluorescence Experiments, Figure, consist in.-: of 4 hollow glass 

 cubes for liquids, rranium glass plate. Cranium glass cube, Didymium glass and fluor- 

 spar, also condenser lens on stand 3.10.0 



* t'iiu be used with Projection Ap|Ki';itn- 



Cl. 1441, 142 



