Research: Clothes-making Patterns

Two extracts from clothes-making patterns. On the top one the amount of information is massive, absolutely confusing and full of different lines. The original (these are just b&w scans) has also different coloured lines as well as different types of them like dashed, zig-zag, straight etc.
The second pattern is much simpler and most recent one. It obviously does not include as much information as the first one and is dedicated to a signle design for a woman's top. The shapes here are clear, the information is obvious and the ease of use is much better.
Legibility versus information then but for a personal opinion I would rather go for the top one and make my way through the info that I need to extract..