Five glass customs and excise glass hydrometers by Hicks. Lead weights and paper scales. In mahogany box. Box also contains thermometer by Dring and Fage. No.1 equals range 650 - 700, No. 2 equals range 700 - 750, No 3. equals range 750 - 800, No 4. equals range 800 - 850, No. 5 equals range 850 - 900.