. Elementary and dental radiography / by Howard Riley Raper . Fig. 24. A Baume hydrometer. For 110 volts the electrolyte in the interrupter should givea reading between 20 and 25; for L2. happen if the core were wound with uninsulated wire. If this were donethe current would not follow the windings of the wire at all, but wouldchoose the shorter path of less resistance, passing along the iron core,making a short circuit.) Over the primary winding is placed a heavyinsulation of mica or vulcanite, and around this is wound more insulatedwire, the secondary winding. (Figs. 32 and 33.) There is pos
. Elementary and dental radiography / by Howard Riley Raper . Fig. 24. A Baume hydrometer. For 110 volts the electrolyte in the interrupter should givea reading between 20 and 25; for L2. happen if the core were wound with uninsulated wire. If this were donethe current would not follow the windings of the wire at all, but wouldchoose the shorter path of less resistance, passing along the iron core,making a short circuit.) Over the primary winding is placed a heavyinsulation of mica or vulcanite, and around this is wound more insulatedwire, the secondary winding. (Figs. 32 and 33.) There is positively no electric connection between the primary andsecondary windings. The primary current passes through the primary 28 ELEMENTARY RADIOGRAPHY winding and into the negative lead wire. But in its passage it has in-duced or created a secondary current in the secondary winding. Coils are rated and designated according to the maximum num-ber of inches of atmosphere the secondary current can be made to the current j
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