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Illustration
- Leonardo
- The MIT Press
- Volume 20, Number 2, April 1987
- Article
- Additional Information
In lieu of an abstract, here is a brief excerpt of the content:
No. 3. Lower right. Hand-blown cups for the modernglassharmonica,madeof resilientsemiconductor -gradefused quartz glass. Each cupis shaped, then tuned either by grinding or by etching and, finally, flamed. Liquid gold bands are painted and then baked onto the sharps and flatsto markthem. Eachcupsitson itsowncork, which is slid onto the central steel shaft. (See Document by Finkenbeinerand Meyer.) ...
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