<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Folks</div><div><br></div><div>This is the AR-550 design team. Marshall Williams (third from the right), sent me this image. The AR-550 was used in airplanes and was flown on Skylab as well. This is basically a repackaged FR-900 machine.</div><div><br></div><div>Dennis</div><div><br></div><div><br></div><div><br></div><div><br></div><img id="70764763-b3aa-4001-afcf-2acc7d423ba5" height="579" width="712" apple-width="yes" apple-height="yes" src="cid:BB7A9DDB-E169-4EFD-AEB9-508AFB955EE7@WRVS4400Nv2"></body></html>