Specification:-
- Determines fineness of Portland cement, using photoelectric cell to measure light passing through suspended pulverized material. Micro amp meter measures current generated in the cell; indicated reading is measure of turbidity of the suspension. Includes photoelectric cell {and light source in metal cabinet, timing burette and stand, wet sieving assembly including gauge and spray nozzle, micro amp meter, 3 flasks, 4 test tubes, stirring apparatus and instruction book.