HEY No. 3 Automatic Facing and Centering Machine: Operating and Maintenance Manual. Includes a copy of the Technical Sales and Specification Catalogue.

HEY No. 3 Automatic Facing & Centering Machine: Equipment for Short Work - Supplementary publication.

Hey No. 3 Automatic Facing and Centering Machine: Detailed Manual of Standard Tooling to Inch Standard with clear illustrations.