Nikola Tesla Books
Fig 2 Core partly assembled Fig 3 PLANT CULTURE 149 End yoke for core Fig Figs. 2, 3 and 4.-Details of the high potential transformer of wire is covered with several thicknesses of the oiled paper to afford mechanical protection. The two sections of the secondary are to be wound in such manner as to permit the current to flow in the same direction around the core when the two starting ends are joined together. The primary and secondary are to be assembled upon the core as shown in the drawing and the secondary sections are insulated from each other and the core by discs of heavy fibre. The remaining core irons may then be placed in position and the core clamped between wooden pieces as the drawing indicates. Pieces of flexible wire are joined to the secondary leads and the entire transformer is then placed in position in a sheet iron container made oil tight. Wires leading from the secondary and from the primary
