| Year | 1940 |
| Date | 01-Feb |
| Volume | 82 |
| Issue | 2,021 |
| Page | 112 |
| Category | Workshop |
| Part | |
| Title | Gauges and Gauging |
| Author | R.Barnard Way |
| Notes | For those on National Service. Johanssen angle gauges, the Societe Genevoise clinometer, testing a taper plug gauge by sine block and surface gauge, details of the transfer caliper, the vernier caliper |