Soundness Test Apparatus, for Industrial

Used for finding specific gravity of Hydraulic Cement. Made from Borosil glass. The flask is 243 mm in total height, having a bulb of 90 mm dia of 250 ml approximate capacity. The long neck of the flask has at top a funnel of 50 mm dia in which fits a ground glass stopper. The neck has over-all 11 mm I.D. upper portion is graduated from 18 ml to 24 ml with 0.1 ml graduation. Just at the bottom of the neck 1 ml capacity is marked in between there is 17 ml capacity bulb.