Home » Defense & Aerospace » RTX » Raytheon Vintage Magazine Ad Pyrographite Heat Semiconductivity 1960s
Raytheon Vintage Magazine Ad Pyrographite Heat Semiconductivity 1960s
- Company
- RTX
- Price
- $18.99
- Source
- eBay
Vintage magazine ad for Raytheon pyrographite heat semiconductivity from the 1960s.
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A third-party resale listing on eBay, not official RTX merchandise.
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