Credited to Herbert Niebling on page 23 of The Batsford Book of Hand and Machine Knitted Laces by Tessa Lorant (1982).

085/24: needles size 1.25 mm fi=or a 13.5 x 13.5 cm/ 5.3 x 5.5” square with 52 rounds.

Squares may be joined together and finished with a 20-round border around the edge.