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1 to 5 of 5 results for "joseph thacher clarke"
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Patent- Photographic Film Spool
Documentary
Joseph Thacher Clarke
1902/10/21
1997.2650.0001
Patent- Photographic Film Package For Color Photography
Documentary
Joseph Thacher Clarke
1905/02/28
1997.2651.0001
Patent- Photographic Negative
Documentary
Joseph Thacher Clarke
1911/03/14
1997.2652.0001
Patent- Focusing Device
Documentary
Joseph Thacher Clarke
1914/03/03
1997.2653.0001
Patent- Ray Filter
Documentary
Joseph Thacher Clarke
1915/08/24
1997.2654.0001
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