The Wheatstone Bridge is complete with binding posts.

• One Length of AWG 30 Nickel Silver Wire
• Scale Graduated in mm
• Slide Knife-Edge Contact
• Binding Posts

The apparatus consists of one length of AWG 30 nickel silver wire mounted on a scale graduated in mm. The scale features a slide knife-edge contact.

For known and unknown resistance, two strips of heavy aluminum are mounted in each of the two arms of the bridge.