Resistance Box, Plug Type

Split Brass Contact Blocks Hold Precision Cut, Interchangeable Brass Plugs Having Moulded Black Bakelite Fluted Tops. Non-Inductively Wound Coils Of Manganin Wire, Double Silk Covered, With Resistance Adjusted To High Precision Accuracy ± 0.05%. Ranges Available Are: Note: Other Ranges Also Available On Specific Request. (Range (O) : 1-500 Total (O) : 1110 No Of Coils : 12)