for receiving the terminals of the coils. placed a wooden sleeve, l^j inch in diameter; on lights, will generate sufficient current to bring to full The coil terminals are arranged in groups of 16, the this are mounted the thin sheet iron disks forming the wires of each group being parallel. The… … " Though rods may be used, rain spouts coveringbeing'of silk, the outer of cotton. Fig. 1-DIAGRAM OF WINDING OF EDISON ARMATURE. Leaving an end out for connection with will answer the purpose equally well. The physical laboratory of the Johns the commutator coil. No. 1 is begun at Hopkins…
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