Matrix (Coventry Gauge and Tool Company) No. 16 Universal Tap and Thread Grinding Machine. Operator's Instruction Manual with a very basic section on Maintenance.

Ward Capstan and Turret Lathes. Ward's system for Manuals included the publication of this very comprehensive, but non-machine-specific 78-page "Operator's Instruction Manual, Instruction Manual and Catalogue" designed to help those unfamiliar with capstan lathe operation and tooling.