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| Date: | 1947 |
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| Description: | A man writes information on a chart as he weighs a can of milk in a barn. A row of cows standing in stalls is behind him. The man may be working at Interna... |
| Date: | 1940 |
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| Description: | A man inside a building uses a hanging scale to weigh a can of milk. He writes the weight on a chart hanging adjacent to the scale. |
| Date: | 07 09 1951 |
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| Description: | Dr. Eloise Gerry at her desk at the United States Forest Products Laboratory where she is a distinguished wood technologist. Dr. Gerry, whose research arti... |
| Date: | 10 1827 |
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| Description: | Open spread of Increase Lapham's diary from October 6, 1827 to April 18, 1828. |
| Date: | 1828 |
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| Description: | Open spread of Increase Lapham's diary. |
| Date: | 1835 |
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| Description: | Page from Increase Lapham's 1935 botanical diary in which he listed plants he observed in flower stage. |
| Date: | 1838 |
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| Description: | Page from Increase Lapham's 1838 botanical diary in which he listed plants he observed in flower stage. |
| Date: | 1870 |
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| Description: | Page from a diary kept by Increase Lapham in California between April 11 and May 19, 1870. The page shows a portion of a list of minerals of California. |
| Date: | 1844 |
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| Description: | Increase Lapham's handwritten title page for A Geographical and Topographical Description of Wisconsin |
| Date: | 1769 |
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| Description: | Double hemispherical map showing the continents, islands, countries, and a few major cities of the world. The routes of a few explorers are depicted and la... |
| Date: | 02 1977 |
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| Description: | A man is kneeling on the ice and snow at Potter's Lake. He is running a machine that is testing the oxygen levels in the water, while recording the results... |
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