Difference between revisions of "patent for projection of light (Q12062)"
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Latest revision as of 14:47, 26 August 2026
Patent that forms the base of the Strand Stelmar projector
- US1864696A
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | patent for projection of light | Patent that forms the base of the Strand Stelmar projector |
|
Statements
28 June 1928Gregorian
0 references
mentions the original UK patent GB1864696XA·1925-09-10 (English)
0 references