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120019
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Level
Description
Archive
Date
Archive Number
Level
Item
Description
Company illustration, cross sections of drill
Archive
Investigators' Digital Photography
Date
Archive Number
6399790
Level
Item
Description
Complete drill
Archive
Investigators' Digital Photography
Date
Archive Number
6401460
Level
Item
Description
Detail of cutting head and drive unit
Archive
Investigators' Digital Photography
Date
Archive Number
6401461
Level
Item
Description
Detail of label on drill
Archive
Investigators' Digital Photography
Date
Archive Number
6401459