Primary emitter cluster

The retractable casing and the primary emitter cluster. (PROSE: The Visual Dictionary ^[+]Loading...{"page":"20-21","ed":"2010 reprint","1":"The Visual Dictionary (reference book)"})

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The primary emitter cluster was a part of the Ninth and Tenth Doctors' sonic screwdriver and the Eleventh Doctor's sonic screwdriver. On both screwdrivers, the emitter was located at the end. (PROSE: The Visual Dictionary ^[+]Loading...{"page":"20-21","ed":"2010 reprint","1":"The Visual Dictionary (reference book)"}, "Awesomely awesome gadgets" ^[+]Part of How to be a Time Lord, Loading...{"page":"136","namedep":"Awesomely awesome gadgets","1":"How to be a Time Lord (novel)"})

The Ninth and Tenth Doctors' screwdriver had a secondary emitter cluster located inside the conical black end, and the emitter in the Eleventh Doctor's screwdriver was surrounded by the retractable casing. (PROSE: The Visual Dictionary ^[+]Loading...{"page":"20-21","ed":"2010 reprint","1":"The Visual Dictionary (reference book)"})

The Eleventh Doctor, annotating and improving a guide about Time Lords, added a section about gadgets wherein he described several parts of his sonic screwdriver, stating that the "glowy bit" was the primary emitter cluster. (PROSE: "Awesomely awesome gadgets" ^[+]Part of How to be a Time Lord, Loading...{"page":"136","namedep":"Awesomely awesome gadgets","1":"How to be a Time Lord (novel)"})

History

See Eleventh Doctor's sonic screwdriver for general information about the screwdriver.

At some point during the Eleventh Doctor's travels with Clara Oswald, he began annotating and improving a guide about Time Lords. He added a section about the gadgets inside the TARDIS, wherein he detailed the primary emitter cluster. (PROSE: "Awesomely awesome gadgets" ^[+]Part of How to be a Time Lord, Loading...{"page":"136","namedep":"Awesomely awesome gadgets","1":"How to be a Time Lord (novel)"})

Behind the scenes

to be added