![](https://giornaleitalianodinefrologia.it/wp-content/uploads/sites/3/2018/01/fig-3-Small.jpg?x85047)
fig 3 (Small)
Figure 3. A drawing of Alwall’s early static coil dialyser/ultrafilter. The casing was either of glass, or later bentonite, then steel.
Figure 3. A drawing of Alwall’s early static coil dialyser/ultrafilter. The casing was either of glass, or later bentonite, then steel.