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Description: |
8 pages : illustrations ; 28 cm |
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General Note: |
Also reprinted as part of the Investigations in fish control seris. |
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At head of title: Investigations in fish control. |
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This is number 21 of the Investigations in fish control series. |
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Bibliography Note: |
Includes bibliographical reference (page 8). |
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Summary, Etc. Note: |
Abstract: Three inexpensive pieces of labor-saving apparatus for bioassay laboratory use are described and illustrated. Construction, features, material costs, and use of a jar rinser, automatic liquid measuring vessel, and jar emptier are discussed. |