Materials suggested:
Crochet thread size 100 and Nr. 1 needles for an approx. diam. of 78 cm. (Old German needle size).

Meyers Strickschrift 1450 is advertised on pages 10-11 of Meyers Handarbeitsheft, Nr. 36 Kunststricken

There is another pattern by the name of Frühling which is different from the one found here: another Frühling.