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I think this kind of thing in a work of art is known as a "pastiche". I have seen other mechanical items such as cars, aircraft, etcetera in paintings and prints that are obviously a hodgepodge of various characteristics from several inspirations. On the other hand, sometimes in art a pictured item will have characteristics from only one subject but not all the characteristics for purely artistic reasons. This painting obviously as pointed out by other is an example of the former.