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Brown Corpus
A band viscometer is shown in Figure 2.
It consists of two blocks with flat surfaces held apart by shims.
There is a small well in the top in which the fluid or paste to be tested is placed.
A tape of cellulose acetate is pulled between the blocks and the tape pulls the fluid or paste with it between the parallel faces of the blocks.
In normal use weights are hung on the end of the tape and allowed to pull the tape and the material to be tested between the blocks.
After it has reached terminal velocity, the time for the tape to travel a known distance is recorded.
By the use of various weights, data for a force-rate of shear graph can be obtained.
The instrument used for this work was a slight modification of that previously described.
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