Wheatstone Bridge, Two Gaps

A 24Swg Bare Constantan Wire Is Stretched Along A Meter Scale (Graduated In Millimeters) And Is Clamped To Brass Termiting Plates, To Ensure That The Connections Are Made Exactly At The Ends Of The Scale. A Heavy Brass Strip With 4Mm Socket Termils Is Fastened Along The Back Of The Baseboard And Provides A Two-Gap System For Use As Normal Wheatstone Bridge. Supplied With Jockey. (On Polished Wooden Base)