Emperor's Machine

Many sources depicted the first, Golden Dalek Emperor's rule over the early Dalek Empire within a special casing, referred to as simply the Emperor's Machine by one source. (COMIC: Genesis of Evil)

On at least one occasion, the same Emperor used a somewhat different casing of a similar shape, but with a spike at the apex of the dome. (COMIC: Invasion of the Daleks) It was recorded by the Dalek Survival Guide as the Emperor Type 2. (PROSE: Dalek Survival Guide)

Characteristics
The original Emperor's Machine was made of Flidor gold, quartz and Arkellis flower sap. It was golden in colour, with a bulbous dome section with three horizontal golden bands and a "wreath" of red luminosity dischargers. It had a normal manipulator arm and gunstick, plain bands instead of slats, (COMIC: Genesis of Evil) and only three rows of sense globes on the base section, making the Emperor slightly shorter than ordinary Dalek drones. (COMIC: Power Play)

Discarding
Eventually, the Emperor mutant had grown far larger as a result of experiments conducted on himself to expand his mental capacity. As such, the Emperor lost all mobility and so ordered the construction of a specialised life-support system to accomodate him. It was in this form, (PROSE: The History of the Daleks) dubbed the Emperor Type 3 by the Dalek Survival Guide (PROSE: Dalek Survival Guide) and the Dalek Emperor Type I by the Dalek Combat Training Manual, (PROSE: Dalek Combat Training Manual) that he oversaw the plot to distill the Human Factor and the Dalek Factor. (TV: The Evil of the Daleks)

Legacy
During the Emperor formerly known as Davros's encounter with the Seventh Doctor, his Emperor Dalek casing sported a standard eyestalk, manipulator arm and gunstick having been added to the casing, making it almost identical (COMIC: Nemesis of the Daleks) to the casing used by the Golden Emperor on the eve of Davros's takeover. (COMIC: Emperor of the Daleks!)

The Emperor of the Restoration, who founded the Restoration Empire from the ashes of the Imperial Dalek faction following the close of the Imperial-Renegade Dalek Civil War, adopted a golden casing with a large bulbous dome, deliberately hearkening back to the Emperor of the bountiful, unified pre-Civil War Dalek Empire. (PROSE: The Restoration Empire) During the Time War, the Time Lords recorded this Emperor as a separate "anomaly" from the original Golden Emperor. (PROSE: Dalek Combat Training Manual)

In their scrutiny of the Daleks' timeline during the Last Great Time War, the Time Lords' Dalek Combat Training Manual acknowledged "some of the earliest work on Dalek history" as presenting "a very different origin story" for the Daleks, seemingly conflicting with what the Time Lords knew about the creation of the Daleks as involving Davros. This included the history of the golden, mobile casing of the first Dalek Emperor. They listed this whole history among a list of anomalies in the Dalek timeline, with opinions varying as to whether they were apocryphal or evidence of Dalek activity in parallel dimensions. (PROSE: Dalek Combat Training Manual) Human historians in the post-Time War universe were also aware of the alternative origin story but regarded it as a myth which may have briefly become reality as history changed during the Time War. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe) Some accounts suggested that despite appearances, the "two" creation stories were actually continuous events within a single timeline. (PROSE: The History of the Daleks)