Nikola Tesla Books
188 HIGH FREQUENCY APPARATUS Fig. 3.-Clip which makes connection with primary turns circuit is established by means of special flexible cables which are made by binding 100 strands of No. 32 S.C.C. magnet wire with cotton tape. Each of the two cables should be about 5 feet long and tipped on each end with a special lug or connector. The construction of the connector or clip which makes contact with the primary ribbon is clearly shown in Fig. 3. The clip is made by cutting a slit in the end of a piece of hard brass rod ¾ inch in diameter by means of a thin hacksaw. The blades are rendered more springy by cutting away a portion of the metal from the back of each and a hole is drilled into the shank of the clip to admit the wire of the cable. Each strand of the latter is carefully cleaned of its insulation for a distance of ½ inch and the bare ends of the wire are then twisted together after having been well coated with a good soldering paste. The clip is held in a pair of pliers and carefully heated over a Bunsen flame until the solder melts within the hole, after which the cable end is carefully inserted and sweated in the clip. The wire, where it enters the clip, is tightly bound with thread until it is equal in