Full Details
- Surname
- WILLIAMS
- Forename
- John Richard (injured)
- Day
- 25
- Month
- 08
- Year
- 1938
- Age
- 33
- Occupation
- Rockman
- Mine/Quarry Name
- Penmaenmawr Quarry
- Mineral Worked
- Diorite
- Owner
- Penmaenmawr & Welsh Granite Co. Ltd
- Location
- Penmaenmawr
- County
- Caernarfonshire
- Details of Event
- Electrical shotfiring connected to wrong battery caused holes to explode when internal testing – injured legs. 3 injured.
