We need an official framework or structure for Wiki submissions so that they will all appear consistent and be easy to read. The following is what I've come up with after considerable thought. If you have any suggestions, I'd certainly love to hear them.
This framework can be seen in practice here --> http://wiki.signaltraffic.com/index.php?title=Darley.
Or basically like so:
* -- Manufacturer (The company that produced the signal)
* ---- Product (what kind of signal was it - four way, adjustable, pedestrian, etc..)
* ------ Models (the different models: e.g., CH Type 'T', CH Type 'D', etc..)
* -------- Variations (the often subtle changes within a model line)
Or to use a very rough and incomplete example of Crouse Hinds (most of the following info quickly snagged from Josh's excellent CH site):
* 1 Summary - company info
* 2 Traffic Signals - broken down into general categories
--o 2.1 Four Ways
----o 2.1.1 T Type
------o 2.1.1.1 Pole mount
------o 2.1.1.2 Hanging mount
----o 2.1.2 D Type
----o 2.1.3 DT Type
----o 2.1.4 M Type
--o 2.2 Adjustables
----o 2.2.1 T Type
----o 2.2.2 D Type
----o 2.2.3 DT Type
----o 2.2.4 H Type
----o 2.2.5 K Type
----o 2.2.6 M Type
----o 2.2.7 R Type
----o 2.2.8 M Type
* 3 Lenses
--o 3.1 Commands
--o 3.2 Plains
--o 3.3 Type B
--o 3.4 Type T
* 4 Controllers - Different type of controllers
--o 4.1 DA controllers
--o 4.2 DSG controllers
--o 4.3 KS controllers
* 5 Hardware - this would include any kind of mounting hardware including brackets, slipfitters, hangers, bases, etc..
* 6 Restored Examples - a couple of quality pics of a restored unit
I think you can get the gist of it. The main thing is to input whatever information we can and properly attribute it when applicable. Then corrections and refinements can be made after the fact. But whenever possible, I think it's important to have some type of attributable source for this info (be it another trusted website, a catalog, a company brochure or some other historical document).