venerdì 2 maggio 2014

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Western Electric wire and cable has been Oxygen Free for over 80 years.


Oxygen Free Copper was invented by Western Electric prior to 1931.

Western Electric's Patent No. 1,948,316 for Oxygen Free Copper was granted in 1934.

To read the full two-page 1934 Western Electric patent for Oxygen-Free Copper, click the WE Patent image below.





James Walter Scott was a Western Electric scientist at Western Electric's Hawthorne Works in Chicago


Western Electric wire and cable has been Oxygen Free for over 80 years.





AT&T/Western Electric/Bell Laboratories Anechoic Chamber




To isolate the above anechoic chamber from the effects of the Earth's vibrations,

the entire room above sits in a sunken pit; floating on giant springs.





Western Electric theatre sound equipment




































Western Electric Bostwick 597A tweeter prototype



Bell Laboratories drawing: Western Electric Bostwick 597A tweeter diaphragm and horn