Board Thread:Questions and Answers/@comment-5011997-20130201184955/@comment-5319459-20130201190229

Forestry was removed ages ago... But anyway, this explains it. It's not 100% accurate, but, it explains most of it.

I would recommend using Tekkit Lite as it has way more mods then Tekkit Classic, runs mc 1.4.7 and has 3 types of electrical engine ;)