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    <p><font size="4">If you can't find anything, I would think
        measuring Voc, adjusting for temperature,  and then dividing
        into the wattage would give you some reasonable approximations.
        Chris</font><br>
    </p>
    <div class="moz-cite-prefix">On 9/12/2022 10:28 AM, Amos Post via
      RE-wrenches wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:616F7057-B5CD-498D-A2F6-852AE4A02162@gmail.com">
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      Hi all,
      <div class=""><br class="">
      </div>
      <div class="">I have a few old modules I am trying to date best I
        can.  One is an Photowatt (Arco?) 55Watt silver frame yellow
        backsheet, one is a Solarex 53Watt silver frame grey back sheet,
        and one Arco 50Watt black frame black back sheet.  Looking for
        help with dates and if anyone knows of good websites for looking
        up specs and/or dates on these older modules?</div>
      <div class=""><br class="">
      </div>
      <div class="">Thanks,</div>
      <div class="">Amos<br class="">
        <div class="">
          <span><img apple-inline="yes"
              id="07366B7F-9B06-4F5D-B45F-403CAE1B3288"
              src="cid:part1.cy7rj2Xb.0gQsMOgK@entech-engineering.com"
              class=""></span><br style="font-family: Helvetica;
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          <br style="font-family: Helvetica; font-size: 12px;
            font-style: normal; font-variant-caps: normal; font-weight:
            normal; letter-spacing: normal; orphans: auto; text-align:
            start; text-indent: 0px; text-transform: none; white-space:
            normal; widows: auto; word-spacing: 0px;
            -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
            0px; text-decoration: none; caret-color: rgb(0, 0, 0);
            color: rgb(0, 0, 0);" class="">
          <span style="font-family: Helvetica; font-size: 12px;
            font-style: normal; font-variant-caps: normal; font-weight:
            normal; letter-spacing: normal; orphans: auto; text-align:
            start; text-indent: 0px; text-transform: none; white-space:
            normal; widows: auto; word-spacing: 0px;
            -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
            0px; text-decoration: none; caret-color: rgb(0, 0, 0);
            color: rgb(0, 0, 0); float: none; display: inline
            !important;" class="">       Amos Post</span><br
            style="font-family: Helvetica; font-size: 12px; font-style:
            normal; font-variant-caps: normal; font-weight: normal;
            letter-spacing: normal; orphans: auto; text-align: start;
            text-indent: 0px; text-transform: none; white-space: normal;
            widows: auto; word-spacing: 0px; -webkit-text-size-adjust:
            auto; -webkit-text-stroke-width: 0px; text-decoration: none;
            caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">
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            0px; text-decoration: none; caret-color: rgb(0, 0, 0);
            color: rgb(0, 0, 0); float: none; display: inline
            !important;" class="">   </span><span style="font-family:
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            auto; -webkit-text-stroke-width: 0px; text-decoration: none;
            caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); float: none;
            display: inline !important;" class="">Integrity Energy</span><br
            style="font-family: Helvetica; font-size: 12px; font-style:
            normal; font-variant-caps: normal; font-weight: normal;
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          <span style="font-family: Helvetica; font-size: 12px;
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            color: rgb(0, 0, 0); float: none; display: inline
            !important;" class="">  W 802.763.7023</span><br
            style="font-family: Helvetica; font-size: 12px; font-style:
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            widows: auto; word-spacing: 0px; -webkit-text-size-adjust:
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          <span style="font-family: Helvetica; font-size: 12px;
            font-style: normal; font-variant-caps: normal; font-weight:
            normal; letter-spacing: normal; orphans: auto; text-align:
            start; text-indent: 0px; text-transform: none; white-space:
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            color: rgb(0, 0, 0); float: none; display: inline
            !important;" class="">   C 802.291.2188</span><br
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            caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">
          <span style="font-family: Helvetica; font-size: 12px;
            font-style: normal; font-variant-caps: normal; font-weight:
            normal; letter-spacing: normal; orphans: auto; text-align:
            start; text-indent: 0px; text-transform: none; white-space:
            normal; widows: auto; word-spacing: 0px;
            -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
            0px; text-decoration: none; caret-color: rgb(0, 0, 0);
            color: rgb(0, 0, 0); float: none; display: inline
            !important;" class="">    </span><a
            href="http://www.ienergyvt.com" style="font-family:
            Helvetica; font-size: 12px; font-style: normal;
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            auto; -webkit-text-stroke-width: 0px;" class=""
            moz-do-not-send="true"><span style="text-decoration: none;
              caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">ienergyVT.com</span></a>
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            0px; text-decoration: none; caret-color: rgb(0, 0, 0);
            color: rgb(0, 0, 0);" class="">        <a
              href="https://www.facebook.com/integrityenergyllp?ref=hl"
              class="" moz-do-not-send="true">Facebook</a></div>
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                <font face="PMingLiU-ExtB">                            
                              Christopher Warfel</font><br>
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