Spark plugs / 
Bosch. 
 - Milton Keynes :  Delta Press,  [1986] 
 - 25 p. :  ill. (some col.). ;  30 cm. +  pbk. 
<br/><br/>The history of the spark plug -- Spark-ignition engine and externally supplied ignition -- Action of spark plug -- Demands on the spark plug -- Construction of spark plug -- Heat range of spark plug -- Operating behaviour of spark plug -- Types of spark plug -- In practice -- Spark-plug production -- Summary. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spark ignition engines.
<br/><br/><label>Dewey Class. No.: </label>629.2