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Mary Hallock-Greene
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eBay item number:285594311776
Item specifics
- Condition
- Publication Name
- Mary Hallock-Greenewalt
- Title
- Mary Hallock-Greenewalt
- Subtitle
- The Complete Patents
- Contributor
- Michael Betancourt (Edited by)
- ISBN-10
- 0809511916
- EAN
- 9780809511914
- ISBN
- 9780809511914
- Genre
- Music Dance & Theatre
- Release Date
- 01/02/2005
- Release Year
- 2005
- Country/Region of Manufacture
- US
- Item Length
- 189mm
- Type
- History & Criticism
- UPC
- 9780809511914
- Publication Year
- 2005
- Format
- Paperback
- Language
- English
- Book Title
- Mary Hallock-Greenewalt: the Complete Patents
- Item Height
- 246mm
- Publisher
- Wildside Press
- Item Width
- 189mm
- Item Weight
- 271g
- Number of Pages
- 144 Pages
About this product
Product Information
Mary Hallock-Greenewalt played the piano with the Philadelphia and Pittsburgh Orchestras as a concert soloist, invented her own color organ that she called a Sarabet after her mother, and, in her pursuit of the art she named Nourathar by combining the Arabic words for essence of light, she had to invent the machinery required as well. Numbered among her inventions are the rheostat that allos the gradual fading of light, the mercury switch, and was among the earliest developers of colored gel filters for tinting theatrical lights. Her patent for the rheostat became the subject of an infirngement lawsuit in the lat 1920s against such large corporations as General Electric, a lawsuit that she ultimately won in 1936. This volume collects all eleven of her technology patents, revealing the refinement and evolution of the Sarabet. These patents also enable a clear evaluation of her contributions to visual music, since, as Dr. Betancourt notes in his introduction, the patents allow a much clearer determination of her place in history and a peer-reviewed statement of her accomplishments.
Product Identifiers
Publisher
Wildside Press
ISBN-13
9780809511914
eBay Product ID (ePID)
107094661
Product Key Features
Book Title
Mary Hallock-Greenewalt: the Complete Patents
Format
Paperback
Language
English
Publication Year
2005
Number of Pages
144 Pages
Dimensions
Item Height
246mm
Item Width
189mm
Item Weight
271g
Additional Product Features
Country/Region of Manufacture
United States
Editor
Michael Betancourt
Item description from the seller
Business seller information
Value Added Tax number:
- GB 864 1548 11
Seller assumes all responsibility for this listing.
eBay item number:285594311776
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h***s (373)- Feedback left by buyer.
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Fantastic seller! My item took longer than normal to arrive but that's due to them sending me the wrong dvd. Not to worry though, I contacted them and they arranged for the correct dvd to be sent out. My item has now arrived and the dvd was in excellent condition (brand new as described) and it was very well packaged. I would also like to say that the value for money is excellent. I highly recommend this seller, thank you so much! The issue with the wrong dvd was quickly rectified .
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Book arrived safely packaged in perfect order. Item as described, new. Thank you Rarewaves Outlet. Fascinating book, great addition to my collection. Great price. Would recommended this seller. No communication needed with seller, so don't know what to rate with regards to communication (please dont take lack of feedback on this matter as a negative). Thanks again.
f***a (81)- Feedback left by buyer.
Past 6 months
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This vinyl is really reasonably priced and I love that it is one of the more unusual colours. It arrived well packaged, undamaged and looks as described. It arrived late, due to Royal Mail's Festive rush, but was dispatched by the seller really quickly. When I contacted them to ask where it was, they replied really quickly with a helpful solution. Such good customer service, so strongly recommend. Really happy with my purchase.
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