Circuit diagram of a thyristor controller
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Circuit diagram of a thyristor controller to be used in emergency lighting. Drawing no. 86/60/230.
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© Emerson Network Power Limited. Digitised with their kind permission.
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SPES/3/2/9/1
License regarding 49 Theobalds Road, 11 December 1978
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<p>License regarding 49 Theobalds Road, (11 December 1978).</p>
<ul><li>(1) The Trustees of South Place Ethical Society,</li>
<li>(2) Barnet Crowe of 49 Theobalds Road.</li>
</ul><p>(1)-(2) lock-up shop on the ground floor, 49 Theobalds Road. Term: 14 years.</p>
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<p>Licenced for digitisation by the <a href="https://www.gov.uk/guidance/copyright-orphan-works" target="_blank">Intellectual Property Office</a> under Orphan Works Licence <a href="https://www.orphanworkslicensing.service.gov.uk/view-register/details?owlsNumber=OWLS000075-14" target="_blank">OWLS000075-14</a>.</p>
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English
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SPES/3/1/2/16