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This is a well written article with excellent descriptions regarding the various types of chicken combs. Each comb description has its own section and the article is visually pleasing in the written form. I love the illustration you added. The person who drew that is very talented.
While I do agree with other reviewers that this article would be fantastic if actual photos of each type of comb were included, I don't agree with the 2 star ratings as this article is one of the best I've read. Before the internet we often had to rely on descriptions to interpret and visualize context. I have many interpretive nature books that use descriptions to identify the subject (plants, flowers, birds, etc) and once in awhile there is a drawn illustration to accommodate the description - the format of this article is very similar to that style.