blimey.. not seen one of those since I was a spotty cadet 30-odd years ago!
We used to use them on exercise - they were called bashas back then (in the days before the 'hootchie style'). It should have wooden poles - usually one piece, but occasionally 2-piece with a metal joining tube. and big wooden tent pegs and a mallet. The ropes are actually guy lines for pegging it out.
The lace-up doors were a right pain if you wanted to get out in a hurry - it was quicker to lift the bottom edge and crawl out