Brass Tautness Meters set of 3 V7618

3 Set Brass Tautness Meters, Largest Is W & T Avery Ltd Birmingham Patent #15635 1915, Top Is Casella London Tautness Meter R.A.F, Last Is Stanley London A.I.D 65S Tautness Meter, These Are All Brass And Came In As One Lot.