- R2/1
- File
- 1907
Part of William Galloway Mining Reports
Typescripts report by William Galloway on experiments at Penrhyndeudraeth with the newly developed explosive Steelite, with diagrams.
Part of William Galloway Mining Reports
Typescripts report by William Galloway on experiments at Penrhyndeudraeth with the newly developed explosive Steelite, with diagrams.