| Precision Measuring - Combination Square |
1969 |
Glenn John |
|
16mm |
|
sound |
| Precision Measuring - Depth Gauge And Inside Micrometer |
1969 |
Glenn John |
|
16mm |
|
sound |
| Precision Measuring - Outside Micrometer |
1969 |
Glenn John |
|
16mm |
|
sound |
| Precision Measuring - Steel Scale, Pt 1 - The Fractional Scale |
1969 |
Glenn John |
|
16mm |
|
sound |
| Precision Measuring - Steel Scale, Pt 2 - The Decimal Scale |
1969 |
Glenn John |
|
16mm |
|
sound |
| Precision Measuring - Vernier Caliphers |
1969 |
Glenn John |
|
16mm |
|
sound |