<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">There are tags on the yokes with the manufacture date on them, I can still read most of the ones on my oldest fixtures<div class="">and they spend their summers outdoors.</div><div class=""><br class=""></div><div class="">David </div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 1, 2020, at 11:09 AM, Jon Ares via Stagecraft <<a href="mailto:stagecraft@theatrical.net" class="">stagecraft@theatrical.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Howdy all... are there any cast markings/numbers or other notations to determine an age of an ETC Source Four ellipsoidal body? <div class=""><br class=""></div><div class="">Lens tubes have "Rev.[letter]" - does anyone know the years different Revs were? Anything like that on the bodies/barrels?<br clear="all" class=""><div class=""><br class=""></div><div class=""> How about the S4Par? <br class=""></div><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Jon Ares<br class=""><a href="http://www.arescreative.com/" target="_blank" class="">www.arescreative.com</a></div></div></div>
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