Magneto said:
I like reading which is why I have a very healthy library
I like reading, so research informs what I build and vice versa. Sometimes reading a history gets me interested in building a particular subject.
Old photos can be a minefield for colour interpretation, different films representing colours differently, colorisation etc.
Museum examples can also not be what they appear, repainting in different schemes or codes and even some cases two aircraft combined in a way that was never done historically.
all you can do is research as widely as you can, ask questions and then use your own judgement.
Reading is a great way of getting this information but it does come with a caveat. If you like it or not you are absorbing the unconscious bias of the author. To get a true picture of the knowledge on offer there are things you need to take into account.
You need to be able to distinguish between witting and unwitting testimony. Basically there will be things that the author puts in there because he/she wants them in there, and things that are there in there unintentionally. No author can eliminate these facets, they are a fact of life for historical written works.
In addition, any thing that is not primary source material (technical manuals, general arrangement drawings, contemporary photographs etc) is a synthesis of other sources. This is called secondary source material, and will be open to interpretation. A good bibliography will help you decide if a secondary source written work is well researched, but unless it is accompanied by a full list of footnotes and endnotes in the text, attributing facts to their proper sources, it is not a rigorous academic work and should be read with a large pinch of salt and your eyes open.
The really big elephant in the room here is that the vast majority of what we read is produced by hobbyists for hobbyists, usually retreading information they have garnered from previous secondary sources. They are not trained historians. It doesn’t make the books any less valid, just that for absolute historical fidelity the academic rigour of a trained historian has not been applied so they must be approached with due care and attention. When I took up military modelling after my break I was actually surprised how hard it was to source decent works drawings at a reasonable price. In the railway modelling world most half decent reference works include a set of works drawings in the references section. Very few military books seem to do the same thing.
Me, I went down this black hole during my railway modelling days, spending longer and longer researching each build and becoming less and less happy with the end result if I couldn’t be 100% sure of absolute fidelity to prototype. In the end I gave up modelling for about ten years as a result. When I restarted I decided not to go down this wormhole any longer, partially driven by the lack of easily accessible information. I now apply the near enough is good enough approach and find my modelling much more enjoyable as a result.