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Address before the Illuminating Engineers Society on a light scoring for the Episcopal service
Address given by Mary Elizabeth Hallock Greenwalt to the Illuminating Engineers Society regarding her invention of the color light organ, essentially a musical instrument that "plays" light instead of sound. In this speech she describes the way that she would score an Epicopal church servi...
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| Main Authors: | , |
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| Collection: | Mary Elizabeth Hallock Greenewalt papers (#0867) |
| Date: | 1923-03-13 |
| Dimensions: | 21.5 x 28 cm |
| Box Number: | Box 24 |
| Folder Number: | Folder 5 |
| Format: | Electronic |
| Subjects and Genres: | |
| Copyright: | Please contact Historical Society of Pennsylvania Rights and Reproductions (rnr@hsp.org) |
| Online Access: | https://digitallibrary.hsp.org/index.php/Detail/objects/11315 |
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| Summary: |
Address given by Mary Elizabeth Hallock Greenwalt to the Illuminating Engineers Society regarding her invention of the color light organ, essentially a musical instrument that "plays" light instead of sound. In this speech she describes the way that she would score an Epicopal church service with the light organ, and implores the Illuminating Engineers to support her patent claims. Image 8 is a flyer promoting the event that the Illuminating Engineers Society hosted, at which Greenwalt gave this speech. |
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