Level by Cooke, Troughton & Simms Ltd, 1959
Level by Cooke, Troughton & Simms Ltd, of York, No.50767, Hydrographic no. HO 67, c.1959. In wooden case with leather strap
Level by Cooke, Troughton & Simms Ltd, of York, No.50767, Hydrographic no. HO 67, c.1959. In wooden case with leather strap