Patent for a light projecting apparatus by E. W. Sohlberg (Q31174)
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Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control.
Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for a light projecting apparatus by E. W. Sohlberg | Patent for a spotlight, controlled from a distance by ropes, and a color chaning device controlled with a electromagnetic step by step control. |
Statements
EDMOND W. SOHLBERG, OF KANSAS CITY, MISSOUR, ASSIGNOR OF TwoTHIRDS TO MART (English)
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1 May 1906Gregorian
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