Riddell, John Murray
Archival Resources
| Role | Title | Holding Repository | |
|---|---|---|---|
| creatorOf | Riddell, John Murray. Shaft Sinking Apparatus Patents, 1943-1944. | Michigan Technological University, J.R. Van Pelt & Opie Library; Michigan Tech |
Bibliographic and Digital Archival Resources
| Role | Title | Holding Repository |
|---|
Filters:
| Relation | Name | |
|---|---|---|
| associatedWith | Great Britain. Patent Office | corporateBody |
| associatedWith | United States. Patent and Trademark Office | corporateBody |
| Place Name | Admin Code | Country | |
|---|---|---|---|
| Union of South Africa | |||
| United States |
| Subject |
|---|
| Mines and mineral resources |
| Mine shafts |
| Shaft sinking |
| Occupation |
|---|
| Activity |
|---|
Person
Active 1943
Active 1944
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