This free pattern originally published in:
Spool Cotton #58, The Learn How Book
This free pattern originally published in:
Spool Cotton #98, The Learn How Book 
Cast on an odd number of sts. 1st row: K 1, p 1, and repeat ending with k 1. Repeat this row for desired length always having a knitted st over a purled st, and a purled st over a knitted st.
other patterns in leaflet: