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Bulkeley's patent "Distance Finder",1895

Bulkeley's patent "Distance Finder",1895

1895
Bulkeley's patent "Distance Finder", c.1895 with stand

Bulkeley's patent "Distance Finder",1895

Bulkeley's patent "Distance Finder", c.1895

Bulkeley's patent "Distance Finder" with components and tripod

1895