Model Engineer & Workshop Magazine June 2019 Edición anterior

"On the Cover
This month’s cover shows Bletchley Park’s rebuilt Bombe codebreaking calculator designed by Alan Turing. The Bletchley Park Museum is looking for volunteers to help make spare parts for the ‘Bombe’. See page 56 for more details.
Centre Punch Tool Another practical and well-made tool from Will Doggett.
Sub Plates for Lathe Workholding Keith Keen describes his approach to holding large diameters for machining.
The “Soft” Side of the Workshop Laurie Leonard muses on ways to approach working efficiently and safely in the workshop.
An Adjustable Saddle Stop An unusual approach to making an easily resettable saddle stop from Lyndon Baugh.
A Hydraulic Press James Perry makes a hefty workshop press inspired by Alan Hearsum’s design.
A Flying Shelf Howard Jennings gets some mechanical help for his powers of levitation to tidy the workshop.
Keeping a Round Mill Column in Line Howard Lewis explains the use of a laser for keeping your mill in accurate alignment.
Unimat 3 Accessories Geoff Harding got more out of his Unimat lathe with these interesting additions.
Prototype Tooling System for Hobbymat In a footnote to this popular series on flexible quick-change toolholders, Richard Smith shows how the idea can be adapted to suit the Hobbymat lathe.
Milling for Beginners Jason Ballamy has a detailed look at workholding and the use of clamps.
A One Screw Parallel Clamp Stewart Hart has a penchant for discovering useful old tools and recreating them for the modern workshop.
The Three in One Lathe Tool Jacques Maurel makes a multi-purpose tool from a broken centre drill."