The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 62
50 THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. LFEBBOJnV, has a socket for receivinfr and lioldiii^ the lower electrodeM, at its iii)i)er eiul ; ami this socket is furnished with setscrews for seciiriiii; the electrode in an ii))rif;ht position inits centre, even thoufjjh that electrode should…
Architecture · Civil engineering · Science
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