Aluminizing the WIYN primary
About this image
The WIYN 3.5-meter primary mirror on the ground floor of the KPNO 4-meter Mayall telescope, having just been rolled out from under the aluminizing tank, shown at right. Gary Poczulp and John Richardson are examining the resultant coating, and they're really quite happy with it, honest, really they are.
More: WIYN telescopes page.
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