April 1973 issue of Warp & Weft, the monthly newsletter of Robin & Russ Handweavers in McMinnville, Oregon. It features a four-harness twill tartan, "The Dress Tartan Blues," combining 2/18 worsted and English tweed yarns, with tie-up, a two-repeat threading of 46 threads each, yarn details, reed and sett, and a cost breakdown of about $4.00 per yard. Also included are the editor's column, a cover note on card-weaving variations, a review of Therese de Dillmont's Complete Encyclopedia of Needlework, loom-naming contest winners (the Oregon Trail Loom), shop projects, and classified yarn ads.