Root elevator Heidbrink Fig. 3..
Root elevator Winter Fig. 1L..
Root elevator Winter Fig. 1R..
Root elevator Winter Fig. 2L..
Root elevator Winter Fig. 2R..
Root elevator Winter Fig. 11L..
Root elevator Winter Fig. 11R..
Root elevator Winter Fig. 12L..
Root elevator Winter Fig. 12R..
Root elevator Winter Fig. 14L..
Root elevator Winter Fig. 14R..
Root elevator Barry Fig. 1..
Root elevator Barry Fig. 2..
Root elevator Barry Fig. 3..
Root elevator Barry Fig. 4..
Root elevator Barry Fig. 11..
