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An Ebay search shows used SM 70-22's readily available for <$500.
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<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class="">Steven Ludtke, Ph.D. <<a href="mailto:sludtke@bcm.edu" class="">sludtke@bcm.edu</a>> Baylor
College of Medicine</span></div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class="">Charles C. Bell Jr., Professor of Structural Biology </span>Dept. of Biochemistry </div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class="">Deputy Director, Advanced Technical Cores and Molecular Biology</div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class="">Academic Director, CryoEM Core</span></div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class="">Co-Director CIBR Center</span></div>
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<div class="">On May 27, 2022, at 7:09 PM, Waxham, M Neal <<a href="mailto:M.N.Waxham@uth.tmc.edu" class="">M.N.Waxham@uth.tmc.edu</a>> wrote:</div>
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<font size="2" class=""><b class="">***CAUTION:*** This email is not from a BCM Source. Only click links or open attachments you know are safe.</b></font>
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The objective lens power supply failed on our Polara G3. The scope is otherwise functional. The Power supply is a <span style="color: rgb(17, 24, 32); font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); text-decoration-thickness: initial;" class="">Delta
Elektronika Model SM 70-22 and is no longer manufactured. Internet search has not come up with a potential replacement.</span>
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<div style="orphans: 2; widows: 2;" class=""><font color="#111820" class=""><span style="background-color: rgb(255, 255, 255);" class="">If anyone has a terminal Polara and is willing to part with the objective lens power supply, please contact me offline.
Or, if anyone else has found an alternative solution to this failure, I’d also appreciate input.</span></font></div>
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<div style="orphans: 2; widows: 2;" class=""><font color="#111820" class=""><span style="background-color: rgb(255, 255, 255);" class="">Thanks in advance.</span></font></div>
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<div style="orphans: 2; widows: 2;" class=""><font color="#111820" class=""><span style="caret-color: rgb(17, 24, 32); background-color: rgb(255, 255, 255);" class="">Cheers. Neal.</span></font></div>
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<div class="">Neal Waxham<br class="">
Professor Neurobiology and Anatomy<br class="">
McGovern Medical School<br class="">
Website: <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__sites.google.com_uth.edu_waxham-2Dlab_home&d=DwMGaQ&c=-35OiAkTchMrZOngvJPOeA&r=L7-zyQ-04fFCMRqzLIOnx7H0exGZHwIQe_wMPuY600I&m=gf6DRXHPDk5o1jtQrgArJgRrqIFCM5O5ocUryQn-Uhxo0DQJqlMGSTXQc6fR0lyZ&s=UNc6wPwVL6wVcDH_sYD510RLh_8d-b1BOXLSJjk4F48&e=" class="">https://sites.google.com/uth.edu/waxham-lab/home</a><br class="">
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