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1 results. Displaying result 1.
| Name/Title | Maker and role | Production date | Object number | ||
|---|---|---|---|---|---|
|
Patent Model - Improvement in Fire-Escape Ladders
|
William Clark, Patentee
Benjamin Bowman, Patentee Silas Bowman, Patentee |
Apr 30 1878
|
61.47.413
|
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