Inspired by the cogs of the Lorenz cipher machine or ‘Tunny’ as it was referred to, this crochet hat has a vintage fair-isle look but only one colour is used at a time.
This pattern is part of The Bletchley Collection, a six piece collection for Eden Cottage Yarns' Milburn range inspired by the WWII code breakers stationed at Bletchley Park.
SIZES S (M, L) To fit: 51 (56, 61)cm / 20 (22,24)in Finished brim: 48.5 (53.5, 58.5)cm / 19 (21, 23)in Finished hat body: 66 (71, 76)cm / 26 (28, 30)in
YARN Eden Cottage Yarns Milburn 4ply (4ply/Fingering weight; 85% Bluefaced Leicester Wool, 15% Silk; 200m / 218yds per 50g skein) 1 skein for each size in each of the following shades: MC: Rust CC1: Mustard CC2: Night Sky
HOOKS & NOTIONS 3.5mm (US E/4) crochet hook 3mm (US C/2-D/3) hook Tapestry needle
DIFFICULTY Easy Skills needed: Basic stitches, clusters, shells, working in BLO, working in the round.
CONSTRUCTION Worked from the top down with colourwork pattern