Date: | 1913 |
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Description: | Group of men gathered to test soil for acidity. Original caption reads: "This picture was taken in Dupage County during the Alfalfa Campaign in 1913, showi... |
Date: | 1913 |
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Description: | Teacher explaining seed germination test ("rag doll" test) to her students. Original caption reads: "Mrs. Agnes Ryan Page explaining the Rag Doll Test to h... |
Date: | 1913 |
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Description: | Group of school children gathered outdoors with a teacher examining corn kernels after germination. |
Date: | 1913 |
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Description: | Class of children gathered outdoors around a table for a corn germination lesson. Original caption reads: "after the rag dolls are prepared they are immers... |
Date: | 1913 |
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Description: | Class of girls and teacher running a seed germination test ("rag-doll" test) in the classroom. The class is standing around a table, and are using a pail t... |
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