Diagram of modern locks

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Citation

Merrill, Robert H., 1881-1955, “Diagram of modern locks,” Digital Collections, accessed April 18, 2025, https://digitalcollections.library.gvsu.edu/document/52605.

Title

Diagram of modern locks

Description

Black and white lantern slide of a hand-drawn sketch diagram of canal lock systems.

Date

circa 1918-1921

Rights

In Copyright

Publisher

Grand Valley State University. University Libraries. Lemmen Library and Archives
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