00627cam a22002051 4500008420764MiAaHDL20101222000000.0m d cr bn ---auaua000928s1911 ilua 000 0 eng dsdr-nnc2687386(NNC)2687386ARD7033CU(OCoLC)45091963ZCUZCU621.343Am38American School (Lansing, Ill.)Direct-current dynamos ...Instruction paper,prepared by Francis B. Crocker ... and Morton Arendt ...Chicago,American School of Correspondence[c1911]3 v.diagrs.25 cm.Mode of access: Internet.00842076420090120114036.020101222000000.020120815034843.02024-11-10T18:56:29ZSDR-NNCUNKNOWNloader.pl-001-001BKsdr-nnc2687386nnc1SDRNNCnnc1.cu08253633NNCpt.12687386NNCNNC20241110googlennc1.cu08253633pt.11911pdbibUS bib date1 < 1931NNCNNC20241110googlennc1.cu08253641pt.21911pdbibUS bib date1 < 1931