• 

  Colvern Ltd 3001/115 250RK

• 

  Colvern Ltd 4001/22 – 1 ΚΩ – 9043 - 5W

• 

  Colvern Ltd 4001/22, 2KOK, 0019

• 

  Colvern Ltd 7001/29 2KOK 7818

• 

  Colvern Ltd 4501/22 200RK 7947

• 

  Colvern Ltd 4001/11S 10 KOHM

• 

  Colvern Ltd 4001/M50 5

• 

  Colvern Ltd CLR4501/29 (obsolete - no replacement)

• 

  Colvern Ltd 4001/115

• 

  Colvern Ltd LMI0/3M29