A Rare Find. H. Hughes & Son Ltd Naval Telescope (Serial #6085)

Manufacturer: H Hughes & Son Ltd. London, United Kingdom 
Type: Single draw 'Officer of the Watch' Telescope 
Optical design: Galiliean telescope (upright image, no prisms) 
Estimated objective diameter : Approximately 30-35mm 
Construction : Nickel plated brass fittings with leather-covered main barrel 
Serial number : 6085 (engraved on the main tube) 
Estimated manufacture date : Late 1920's - mid 1930's 
Original purpose : Used by ship officers to scan horizon for vessels, land, buoys and navigation