26 INTERNAL COMBUSTION ENGINE TESTING APPARATUS-NAMELY, AMMETERS; VOLTMETERS; OHMMETERS; TACHOMETERS; CAM DWELL ANGLE METERS; SPARK COIL TESTERS; CAPACITOR TESTERS; DIODE TESTERS; REMOTE STARTER SWITCHES; TIMING LIGHTS; SPARK ANALYZERS; AND COMBINATIONS AND PARTS THEREOF; VACUUM GAUGES; AND COMPRESSION GAUGES