Individual pieces numbered (a-h) separately. U-shaped glass tube mounted on wooden base (a). separate base for powder receptacle (b). Two metal objects (c-d), one includes metal screen (e). Includes filter paper (g) in box and aluminum funnel also (f) also includes user manual (h).;used to assess gypsum powder's permeability;Used in lab at mine;1) Precision Scientific Company etc. |
