Various Bohemian drawn elbow. All but #4 from top are simple tubing.
There are several different sample cards showing this type of beads in the Pitt Rivers Museum in Oxford.
Early to mid 1900s

row 1 - 4-sided, size: 20 x 4mm with painted decor
row 2 - 4-sided, size: 34 x 6mm
row 3 - 6-sided, size: 36 x 7mm with 6 black stripes
row 4 - 4-sided compound, size: 34 x 5mm with painted decor
row 5 - 6-sided, size: 34 x 8mm
row 6 - 10-sided, size: 34 x 7.5mm