. A treatise on pharmacy for students and pharmacists. Front view. Meads Disintegrator. Side view. driven out by the beaters on the back ofthe disk. What is not fine enough to dis-charge is caught by these back beaters andbeaten against the screens until fine enoughto pass through. The screens are made ofsquare steel, and present a grinding sur-face to the beaters and a discharging sur-face between each bar; they are two inchesin width and extend around three-fourthsof the diameter of the mill, thus giving alarge discharging surface without diminish-ing the grinding surface. The material
. A treatise on pharmacy for students and pharmacists. Front view. Meads Disintegrator. Side view. driven out by the beaters on the back ofthe disk. What is not fine enough to dis-charge is caught by these back beaters andbeaten against the screens until fine enoughto pass through. The screens are made ofsquare steel, and present a grinding sur-face to the beaters and a discharging sur-face between each bar; they are two inchesin width and extend around three-fourthsof the diameter of the mill, thus giving alarge discharging surface without diminish-ing the grinding surface. The material, asit is ground, falls into the box or roombelow. The most effective work is achievedwith the disintegrator running at highspeed, three thousand revolutions per min-ute ; under such conditions, six hundredpounds of wild cherry bark can be finelycrushed in an hour. The production of very fine powders ofdrugs has long since passed into the hands Fig. .co.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectpharmacy, bookyear1895
