Arecibo Telescope Message Chart by Ruth Tomandl

Arecibo Telescope Message Chart

Knitting
November 1974
Thread ?
20 stitches and 20 rows = 4 inches
in mesh pattern
US 000 - 1.5 mm
100 yards (91 m)
English
This pattern is available as a free Ravelry download

Because I couldn’t find one for a filet crochet project I’m doing, here’s a chart of the Arecibo telescope message.