Cf: Eva B. Ottillinger, op. cit., pp.124/5, figs. 159 & 160

This design like that of Lot 42 also took a piece of English furniture as its inspiration, although Liberty's three legged stool was itself based on an ancient Egyptian stool seen by Leonard Wyburd in the British Museum.
Loos' version differed from this by virtue of its tighter proportions. It was produced by his famous carpenter Josef Veillich in mahogany, oak and cherrywood and proved extremely popular - Loos himself had one - by virtue of its lightness and utility.
Josef Frank developed yet another more elongated form around 1929.