| Cat 
        No. | Description | 
      
        | 281 | Portable wheatstone Bridge (Educational 
        Model) (Range -0.001 Ohms to 11.11 Meg Ohms)
 Manganin Wire &  Super Sensitive Galvo (Accuracy 0.5%)
 | 
      
        |  | 
      
        | 282 | Constantan Wire & 30 -0 - 30 Galvo 
        (Moving Coil Type) | 
      
        |  | 
      
        | 283 | With Murray & Varley loop 
        Manganin Coils & Super Sensitive Galvo 
        (Accuracy 0.5%) | 
      
        |  | 
      
        | 284 | Constantan Coils & Moving Coil Type 
        Galvo | 
      
        |  | 
      
        | 285 | Kohlrauch Conductivity Bridge, 
        Constantant Coils (For measurment of resistance of Electroytes)
 Range - 0 Ohms to 100 K Ohms
 | 
      
        |  | 
      
        | 286 | -do- Manganin Coils. | 
      
        |  | 
      
        | 287 | Induction Coil  for Kohlrauch Bridge | 
      
        |  | 
      
        | 288 | Hamberger Cell with Platinum Electrodes | 
      
        |  | 
      
        | 289 | Headphone for Kohlrauch Bridge | 
      
        |  | 
      
        | 290 | Precision Kelvin Double Bridge (Range - 2 micro - ohm to 110 ohms)
 Accessories are same as mentioned in Cat. No. 291
 | 
      
        |  |