Steps consisting of two parallel members connected by rungs; for climbing up or down

Expanding Ladder

Steps consisting of two parallel members connected by rungs; for climbing up or down

"An expanding ivy trellis, which can be used as an upright trellis or in the form of an arch over a door or window."—Heinrich, 1887

Expanding Ivy Trellis

"An expanding ivy trellis, which can be used as an upright trellis or in the form of an arch over a…