940 



Voltaic Electricity. Section 4: Ohm's, Kirchhoff's and Joule's Laws. 



62 165. 1 :- 8. 



62 isa. i : s. 



62 182. 1 : 6. 



62 183. 1 : 4. 



Electrically Heated Laboratory Furnaces for high temperatures, horizontal pattern, Figure, with an 

 inner porcelain tube heated by a spiral of thin platinum sheet; for maximum temperatures of 

 1400 C. 

 List Tube Current Consumption Price of Furnaces (without Heatmg;mdRegulat instances 



TkT _ 1 -.J-1_ A. 1 -1 f\ 17" >i.ki k "\ T _l_4: \ -C^."U ^.1-1 ,^14-r* tvV J-J-" * <*l' *J<" * - 



No. 



62165 

 62166 

 62167 



length at 110 V. at 220 Y. 



60 cm 22 Amps. 11 Amps. 



44cm 16 Amps. 8 1 /Amps. 



22 cm 10 Amps. (For 110 V. only) 



platinum) for both voltages 



90 s. plus 9 g Platinum 

 85 s. plus TgPlatinum 

 75 s. plus 4 g Platinum 



110 V. 



Price List No. Price 

 62168 5.10 62169 4.16 

 62170 3.2 62171 2.18 

 62172 2.2 



1 Gram Platinum, worked up in the furnaces; price (varying according to the state of the 



market) 0. 5. to 0. s. n 



Larger Laboratory Furnaces and other Electric Furnaces <|iiot<-d for on application. 



Section 5: Electro-chemistry. 



As regards Apparatus after Liipke-Bose, Kohlrausch-Holborn and Hofmann, we shall be pleased to send 



separate price list on application. 



Voltameters. 



(iL'.lso. Water Decomposing Apparatus, simple pattern on wood stand. Figure, with 

 graduated lubes ................................ 



i'.L'.181. -- idem, on iron stand. Figure ..................... 



(I. S. 

 o. ll!. o 



