Table I.—­Data on cooking hemp hurds.

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--------+-----------
|           |            |          |                    |
|           |            |          |      Cooking       | Yield of
|  Caustic  |Strength of |          |                    | bone-dry
| soda used |caustic soda|Causticity+--------+-----------+   fiber
Cook |(percentage| (grams per |  of soda |        |           |(percentage
No. |of bone-dry|   liter).  | solution.|  Time  |Temperature|of bone-dry
|   hurds). |            |          |(hours).|   ( deg.C.)   | unsieved
|           |            |          |        |           |  hurds).
------+-----------+------------+----------+--------+--------

---+-----------
293   |       20.6|       100  |      75.3|       3|        166|
294   |       21  |       100  |      75.3|       3|        166|
295   |       21.6|       100  |      75.3|       3|        166|
296   |       20.3|       100  |      75.3|       3|        166|
301   |       21.9|       100  |      82.5|       4|        166|  [3]
302   |       24.4|       100  |      82.5|       4|        166|
303   |       24.2|       100  |      84.3|       4|        166|     44.1
304   |       25  |       100  |      84.3|       4|        170|     39.5
305   |       25  |       100  |      84.3|       5|        170|     39.4
306   |       27.8|       107.5|      84.3|       4|        166|     36.5
307   |       26.7|       107  |      84.4|       5|        170|     38.1
308   |       26  |       107  |      84.4|       5|        170|\_   37.3
309   |       27.3|       107  |      84.4|       5|        170|/
310   |       27.1|       107  |      84.4|       6|        170|     37.0
311   |       27.2|       107  |      84.4|       6|        170|     36.8
312   |       28.3|       116.5|      85.5|       5|        170|     35.9
313   |       29.1|       113.1|      84.9|       5|        170|\_   35.2
314   |       29.1|       109  |      83.9|       5|        170|/
315   |       29.4|       109  |      83.9|       5|        170|     34.9
316   |       30  |       109.5|      84.9|       5|        170|     37.2
317   |       29.6|       109.5|      84.9|       5|        170|     37.0
318   |       29.6|       107  |      84.8|       5|        170|     37.7
319   |       29.4|       107.5|      84.2|       5|        170|\_   35.4
320   |       29.3|       107.5|      84.2|       5|        170|/
------+-----------+------------+----------+--------+--------

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[Footnote 3:  Stock not used; dirty.]

Discussion of the various cooks will be given in connection with the descriptions of those paper tests in which the stocks from the cooks were used, since a stock and its cooking condition can be judged adequately only after it has been put through the various processes and into the finished sheet of paper.