Exodus
Chapter
Exodus relates the history of the Israelites from after the death of Joseph to the erection of the Tabernacle by Moses. The book includes an account of the wanderings in the wilderness of Sinai and the giving of the Law to the nation.
Exodus 26
26:4 And thou shalt make loops of blue upon the edge of the one curtain from the selvedge in the coupling; and likewise shalt thou make in the uttermost edge of another curtain, in the coupling of the second.