Wheatstone Bridge, Four Gaps

For Determition Of Unknown Resistances Or Comparison Of Resistances. This Substantial Four-Gap Bridge Has Heavily Plated Brass Strips Mounted On A Base. Termils With 4Mm Sockets Are Provided To Reduce Unwanted Resistance To A Minimum And The Gaps Are Closed By Removable Brass Strips, Which Are Held In Position By The Termils. The 24Swg Bare Constantan Wire Is Stretched On Top Of Meter Scale Along Its Length Graduated In Millimeter And Figured At Every Centimeter. The Ends Of The Wire Are Securely Clamped To The Termiting Strips To Reduce End Errors To The Negligible Level. Wire Easily Replaceable If Damaged Or Broken. Supplied With Jockey. (On Polished Wooden Base)