Citations
"Hints on Oxy-Acetylene welding and hand cutting", 1931, GBR/3296/Maps/Maps.RLY.1131, Maps.RLY.1131. Cambridge University Library. |
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"Hints on Oxy-Acetylene welding and hand cutting", 1931, GBR/3296/Maps/Maps.RLY.1131, Maps.RLY.1131. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/265240 Accessed January 10, 2025. |