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- Suggestions for wiring permissible equipment
- List of standard starters available to prospective builders of permissible outfits
- Permissible electrically operated air compressors
- Permissible electrically operated room hoists
- Permissible electrically operated hand-held coal drills
- Permissible electrically operated post drills and drilling machines
- Permissible electrically operated pumps
- Inspection and testing of mine-type electrical equipment for permissibility
- Permissible mine equipment approved during the calendar years 1947-49
- Permissible mine equipment approved during the calendar year 1950
- Inspection and testing of mine-type electrical equipment for permissibility :revision of Information circular 7185
- Permissible Mine Equipment Approved to January 1, 1953: With Appended List of Available Flame-Lamp Fuels and Manufacturers of Flame-Resistant Trailing Cables
- Permissible mine equipment approved during the calendar years 1953-54
- Permissible mining-loading equipment